Custom Manufacturing & Precision Machining Company

Plastic Injection Molding Factory | Custom Mold Tooling Maker | Precision Metal Part Manufacturing

Wholesale Plastic Buckets Manufacturer

KingStar Mold specializes in precision injection molding for durable and high-quality plastic buckets, designed for various industrial and commercial uses.
  • Durable and versatile plastic bucket solutions
  • Cost-effective injection molding for bulk production
  • Custom sizes and designs for specific needs

KingStar’s Wholesale Plastic Buckets

plastic injectioned bucket

Your Reliable Custom Plastic Buckets Supplier

KingStar Mold is your reliable plastic buckets injection molding manufacturer, offering high-quality and durable solutions for a wide range of applications. We specialize in custom-designed plastic buckets, catering to industries such as packaging, storage, and retail. Our advanced injection molding technology ensures precise production, consistent quality, and cost-effective solutions for both small and large-scale orders. With a focus on innovation and efficiency, we work closely with our clients to meet specific requirements, delivering products that stand up to the toughest standards of performance and durability.

KingStar Mold’s Injection Molding Services

mold design

CAD Engineering

KingStar Mold offers advanced CAD engineering services to create precise 3D models and prototypes for plastic buckets. Our team utilizes cutting-edge CAD software to design and optimize components for enhanced performance and manufacturability.

Mold Flow Analysis

Our mold flow analysis service simulates the injection molding process to identify potential defects and optimize design efficiency. By using state-of-the-art mold flow analysis, we ensure the perfect distribution of materials and prevent issues like warping and air pockets.

3D Printing

We use 3D printing technology to rapidly prototype and test plastic buckets before full-scale production. 3D printing allows for high-precision, complex designs, accelerating the development of production with reduced lead times.

CNC Machining

KingStar Mold provides CNC machining services that produce high-precision, complex bucket parts with tight tolerances. Our CNC machining capabilities ensure consistent quality and efficient production of metal and plastic components for the consumer good industry.

Injection Molding

Our injection molding services allow for the mass production of high-quality plastic buckets with complex shapes and fine details. We specialize in delivering fast and cost-effective solutions for producing durable, high-volume production.

Surface Finishing & Assembly

We offer a range of surface finishing services, including polishing, coating, and more, to enhance the performance of final product. Our assembly services ensure that all components are accurately assembled and ready for integration into final acceptance.

mold

Injection Mold Design for Diverse Plastic Pails

KingStar Mold offers a diverse selection of plastic bucket mold designs suitable for both food and non-food industries. We can create molds for various sizes, from small 1-gallon plastic buckets to large 5-gallon options, and even develop custom molds for other sizes in this range.

Our bucket mold shapes include oblong, square, rectangular, and round designs. Additionally, we can customize features such as plastic pails with lids and IML (In Mold Labeling) buckets, ensuring the perfect solution for your needs.

Quality Materials for Plastic Pails

At KingStar Mold, we take pride in being a reliable plastic bucket manufacturer, using only high-quality materials to ensure durability and stability. Our bucket structures are made from materials like HDPE, LDPE, and ABS, while the handles and lids are injection molded using easy-to-mold PP and PE plastics.

We source all our thermoplastic materials from carefully vetted suppliers to guarantee the best quality. While our material options are extensive, we are also happy to source custom materials upon request. You can trust that our experienced team will handle all bucket injection molding processes smoothly, ensuring top-notch results every time.

Orders Workflow

engineer designing mold

Initial Consultation & Design Review
We begin by discussing your project’s goals and reviewing the design to ensure it’s optimized for the specific manufacturing process. At this stage, we suggest improvements or adjustments to enhance efficiency, functionality, and manufacturability.

plastic pellets choosing material for plastic injection molding

Material Selection
Our experts assist in selecting the right materials for your product based on performance requirements and compatibility with the manufacturing process. The correct material choice ensures durability, cost-effectiveness, and the desired product functionality.

CAD

Design & Engineering
Using advanced CAD and simulation tools, we develop a custom design for your project. This step ensures precise details and identifies potential challenges early in the process, optimizing the design for efficient manufacturing.

injection mold machine

Prototyping & Sample Testing
A prototype or sample is created to verify design accuracy, functionality, and performance. Rigorous testing is conducted to ensure the product meets your specifications before moving into full-scale production.

Production Setup & Initial Production
We set up the required machines, molds, or tools for the manufacturing process. The initial production run is performed to confirm the setup, assess quality, and fine-tune settings for optimal results.

quality control

Final Production & Quality Control
After final approval, we proceed with full-scale production, ensuring continuous quality checks. Comprehensive inspections at each stage ensure that every part meets the highest standards before delivery.

injection machine

Why Choose Us

We Believe You Will Choose Us Again

Only companies with extensive market experience and a deep understanding of customer needs can offer the best service.

Skilled

High-precision production equipment, skilled production staff, and guaranteed delivery times.

Experienced

Over ten years of industry experience, with a mature quotation system and technical support.

Thoughtful

Customized processing options that save time and effort, with active support throughout pre-sales and post-sales.

Equipped

Engineers review designs to identify and resolve potential issues, backed by advanced testing equipment.

Why Choose Injection Molding For Plastic Buckets Manufacturing?

Rapid Prototyping

One key benefit of our injection molding technology is the rapid production of prototypes. By utilizing both 3D printers and CNC machines, we ensure your  plastic bucket prototypes are created in the shortest time frame possible.

Scalability

We take pride in being able to produce over 600 set molds in a year. This has garnered us a reputation for being able to fulfill any order, no matter how big it is. No matter how large the scale of the order, we are more than capable of fulfilling it.

Quality Control

KingStar Mold always adheres to a high standard of control. We follow the strictest quality control, and any plastic parts that we distribute, are tested by our specialized team of experts. Rest assured, any product you get from KingStar Mold is of the best quality possible.

Cost-Effectiveness

By utilizing injection molding for your plastic buckets, you are assured that you will be saving money. Just one injection mold could be used to create a myriad of parts. This means that you will save on both material and production costs.

4 Plastic Materials We Recommend For Plastic Buckets Manufacturing

PC Injection Molding

injection molding part and material plastic pellets

ABS Injection Molding

ABS injection molding

PVC Injection Molding

injection molding part and material plastic pellets

PP Injection Molding

injection molding part and material plastic pellets

Far More Materials Available

Over 10+ Years’ Experience as an Injection Mold Manufacturer
In Plastic Bucket Industry

KingStar Mold has over ten years of experience in creating plastic buckets and designing a wide range of molds for various applications. During this time, we’ve developed expertise in crafting high-quality plastic bucket solutions. Here are some key applications we serve within the plastic bucket industry:

We have the capacity to produce high volumes of injection-molded fast food packaging buckets, ensuring consistent quality and timely delivery for large-scale fast food chains. Our advanced molding techniques allow for custom designs and sizes to meet specific packaging needs.
Our production facilities can efficiently manufacture durable and leak-proof paint buckets in various sizes to meet the needs of both small and large-scale painting operations.
We offer high-volume production of injection-molded household storage bins, providing cost-effective and versatile solutions for organizing and storing household items.

Fast Food Packaging Buckets

Paint Buckets

Household Storage Bins

Our facilities are equipped to produce heavy-duty industrial chemical containers, ensuring compliance with safety standards and durability for transporting hazardous materials.

We have the capacity to produce food-safe injection-molded buckets for the food processing industry, designed to meet stringent hygiene and durability requirements.
Our production lines can handle large orders of waste and recycling containers, delivering high-quality, robust buckets that are ideal for commercial and industrial waste management.

Industrial Chemical Containers

Food Processing and Ingredient Holding

Waste and Recycling Containers

Previous Plastic Bucket Projects

KingStar Mold has been the trusted plastic injection molding supplier for over 1,000 bucket molding projects, with each one being a success. This has helped us build long-standing partnerships with hundreds of companies. Over time, many of our clients have expanded into diverse industries such as furniture, baby products, warehousing, and storage.

We have consistently met their evolving needs, providing molds and product designs tailored to these new sectors. With our extensive capacity, we can produce 900-1,000 plastic injection mold units per year, supporting your bucket and other business requirements.

FAQs About Wholesale Plastic Buckets Pails

We’ve gathered the most commonly asked questions for your convenience. However, if you have any further inquiries, please don’t hesitate to reach out to us.

What is your payment term?2025-06-30T03:26:23+00:00

We offer flexible payment terms and several secure methods for your convenience.

Payment Methods:

  • Wire Transfer (T/T)

  • PayPal

  • Western Union

Payment Terms:

  • Mold payment: 50% deposit upfront, 40% upon T1 sample approval, and the remaining 10% after final approval.

  • Product payment: 30% deposit upfront, with the remaining 70% due before product shipment.

If you have specific payment requirements other than those mentioned above, feel free to contact and discuss them with us (via our email: sales@kingstarmold.com, or sending a quote by filling out the table on this contact page). We’re always open to finding a solution that works for both sides.

How long is the sample lead time?2025-06-30T04:34:30+00:00

The lead time for samples can vary depending on your specific project. Here’s a general idea:

  • Standard parts or existing molds:
    If your part matches something we already produce, samples usually take about 3 to 7 days, depending on stock and shipping times.

  • Custom molded or machined parts:
    For new designs that require custom molds or mechanical processing, it usually takes 2 to 5 weeks to produce samples. This period includes the time for mold fabrication, preparatory work, and making minor adjustments according to your requirements.

  • 3D-printed prototypes:
    If you need to obtain the prototype product quickly, we also offer 3D printing services in metal or plastic materials. These samples can usually be completed within 3 to 5 days, depending on factors such as size, material, and surface treatment requirements.

  • Special finishes or testing:
    Surface treatments like anodizing, black oxidize, painting, etc.(click here to see our options), or specific functional tests might add a bit more time.

Once we know your part details, we’ll confirm the timeline and keep you posted throughout the process. Feel free to share your drawings or ideas so we can give you a more precise estimate!

Can I get samples for testing?2025-06-30T04:35:35+00:00

Yes, absolutely. At KingStar, we understand how important it is to check the quality and fit of your parts before moving into mass production.

In most cases, we can provide samples in small quantities — usually between 1 and 10 pieces (for 3D printing, CNC machining), or 10 to 100 pieces (for injection molding) depending on your part’s size, complexity, and production method.

We offer several options for making samples:

  • 3D Printing (Metal or Plastic): Great for fast prototypes or design validation, usually ready in just a few days. We usually provide 1-3 pcs as samples.

  • Trial Runs from Injection Molding: For plastic parts requiring high accuracy or specific materials, we can run small batches (usually 10-100 pcs) using soft or production tooling.

  • CNC Machining: Ideal for metal or plastic parts needing precise tolerances or certain material properties before committing to tooling. For machining, we usually provide 1-5 pcs as samples.

However, this is not fixed. If you need more samples than we usually provide, we are open to negotiate, and if your project requires special finishes, surface treatments, or functional testing, we’re happy to include those in the sampling process as well.

Let us know your part details, and we’ll advise the best way to produce your samples quickly and cost-effectively.

Can KingStar help me turn an idea into a product?2025-07-08T07:21:54+00:00

Yes! At KingStar, we specialize in helping customers transform concepts into real, manufacturable products. Our one-stop manufacturing service: help you turn an idea into a product covers every step from design assistance and prototyping to tooling, mass production, and post-processing. Whether you have a sketch, CAD file, or just an idea, our team is ready to guide you through every step of the process efficiently and cost-effectively.

Before I provide my design/drawing/sketch, are you willing to sign a NNN or NDA to protect my intellectual property?2025-06-30T02:29:16+00:00

Absolutely — protecting our customers’ intellectual property is one of our highest priorities. We fully understand the sensitivity and value of proprietary designs, drawings, or any confidential information you share with us.

We are willing and ready to sign either a standard NDA (Non-Disclosure Agreement) or a more comprehensive NNN Agreement (Non-Disclosure, Non-Use, Non-Circumvention) upon request. If you have your own legal template, you can send it over for our review and signature. Alternatively, we can provide our standard NDA template for your consideration.

Once an NDA or NNN agreement is in place, we guarantee:

  • Strict confidentiality: All technical data, drawings, specifications, and communications remain strictly confidential and are used only for your project.

  • Non-use commitment: We will not use your designs or proprietary information for any purpose other than producing your parts or providing requested services.

  • Non-circumvention: We will not share your contacts, suppliers, or project details with third parties or attempt to bypass you in any commercial dealings.

  • Secure data handling: We maintain secure systems and protocols to store and manage confidential documents safely.

Our team works with clients from industries like automotive, aerospace, medical devices, consumer products, and many others — all of which require the highest levels of confidentiality and trust.

Please feel free to discuss any specific confidentiality needs with us, and we’ll make sure proper agreements are in place before reviewing your designs.

What sizes of plastic buckets do you offer?2025-07-03T07:19:30+00:00

We offer plastic buckets in a wide range of sizes — from small 1-liter household buckets, to larger options like 20-liter buckets (approx. 40-45 cm high and 30-35 cm top diameter), and even up to 120 liters, often used as large trash bins or for industrial storage. You’ll find detailed volumes and dimensions on each product page, and we also provide custom sizes/colors/shapes… to suit your specific needs.

Can I order custom colors or logos on the buckets?2025-07-03T07:38:10+00:00

Absolutely. We offer a wide range of customization options to help you tailor plastic buckets for branding, gifts, or commercial resale.

Simple customizations (faster and lower minimum order quantities):

  • Custom Logo Printing: Perfect for companies adding logos for internal use, corporate gifts, or promotional giveaways.

  • Custom Color: Choose bucket colors that match your brand identity.

  • Custom Graphics, Patterns, or Textures: Print unique designs onto the bucket surface without changing its shape.

Option Capability Lead Time Cost Impact
Logo Printing 1-3 PMS colors, 10cm×10cm imprint area +3 days +$0.18/unit
Custom Colors Pantone-matched lids/bodies +5 days +7% base price
Textures/Patterns Woodgrain/marble effects (no mold change) +7 days +$0.25/unit

*These are estimates based on our previous projects. The exact costs and leadtimes will be determined based on the specific details of the current project.

*Real Case: Home Depot private-label buckets saved 23% using our stock molds with custom color matching.

Advanced customizations (require new molds and higher MOQs):

  • Custom Shape or Structure: Completely new bucket designs (e.g. unique contours, handles, lids) tailored to your brand or product functionality.

  • Custom Capacity: Special volumes or dimensions not available in our standard product range.

  • Custom Packaging or Accessories: Unique packaging, labels, seals, or additional parts like spouts, taps, or specialized lids.

Differ from those simple customizations, these high-end customization services usually require mold design and tool manufacturing. Therefore, they are more suitable for customers who plan to produce bottled products under their own brand and have specific product requirements.

Whether you need to create simple logo prints for gifts or customize complete bottled products for your product line, we can assist you. The minimum order quantity and production cycle are likely to vary depending on the project details provided by you or designed upon your request.

Email project specs (logo vector/Pantone codes/CAD files) to：sales@kingstarmold.com
Subject Line: [Company Name] Bucket Customization – [Target Qty]

Include for fastest quote：

  • Intended use (retail/industrial/gift)

  • Required certifications (FDA/UL/REACH)

  • Target FOB price point

Are your plastic buckets suitable for storing chemicals or paints?2025-07-03T07:48:16+00:00
Our plastic buckets can indeed be used to store chemicals or paints, but whether a specific type works – and which one to choose – depends entirely on what you’re storing. This isn’t a one-size-fits-all scenario; the details matter, and it’s critical to break it down by material:
  • Polypropylene (PP) buckets: They hold up well against acids, alkalis, and salts, making them reliable for water-based paints, detergents, or mild cleaning solutions. However, they’re not a match for strong oxidizers like concentrated nitric acid or hydrogen peroxide, nor highly aggressive solvents such as acetone – these can degrade the material over time, causing leaks or contamination.
  • High-Density Polyethylene (HDPE) buckets: This material offers more robust chemical resistance, making it a go-to for industrial-grade chemicals, oil-based paints, and solvents. It handles products like thinners, rust-preventive coatings, and machine oils effectively. Note, though, that prolonged exposure to temperatures above 60°C (140°F) can cause warping, so avoid storing hot materials long-term.
  • Polyethylene Terephthalate (PET) buckets: Their key advantage is transparency, which is useful for monitoring contents like water-based latex paints or dilute dyes. But they’re vulnerable to strong solvents – substances like mineral spirits or turpentine can soften the plastic, leading to cracks or structural failure.
  • Low-Density Polyethylene (LDPE) buckets: Flexible and durable for gentle substances, they work for household weak-acid cleaners or diluted fertilizers. However, they’re unsuitable for industrial-strength acids, alkalis, or flammable solvents like gasoline – these will quickly compromise the material.
Beyond material, here are practical factors to consider:
  • The chemical’s nature: Is it acidic (e.g., hydrochloric acid), alkaline (e.g., sodium hydroxide), or neutral? Extreme pH levels demand stricter material checks.
  • Storage temperature: Avoid leaving buckets in direct sunlight (which can spike temperatures) or freezing conditions, as both can weaken seals.
  • Storage duration: Short-term use (weeks) is less demanding than long-term storage (6+ months), which requires materials with better aging resistance.
  • Regulatory needs: Hazardous chemicals may require UN-certified containers, while food-contact chemicals need food-grade certifications.
To get the right fit, share specifics: What exactly are you storing (e.g., epoxy paint, sulfuric acid solution)? How long? What’s the typical storage temperature? We’ll then recommend the best material, lid type (e.g., leak-proof seals), and any necessary certifications to ensure safety and compliance.
Are your plastic buckets reusable and recyclable?2025-07-03T07:52:48+00:00
Yes, our plastic buckets are both reusable and recyclable, with compliance to key international standards.
  • For reusability: They can be reused with proper cleaning, provided the new contents are chemically compatible. This aligns with standards like ISO 11607 (packaging safety) and ASTM D4003 (plastic container guidelines). Avoid reusing buckets that held harsh hazards unless confirmed compatible.
  • For recyclability: Materials like PP (#5) and HDPE (#2) are widely recyclable, meeting standards such as ISO 15270 (recycling terminology) and ASTM D7611 (resin coding). All buckets are marked with resin codes for easy recycling, in line with global frameworks.
What materials are used to produce plastic buckets?2025-07-03T08:00:06+00:00

We primarily manufacture buckets using polypropylene (PP) and polyethylene terephthalate (PET) – chosen for their optimal balance of safety, durability, and value. Below are key features for general users, with technical details available for procurement teams.

For General Users

PP Buckets

  • Key Features:

    • Shatter-resistant and heat-tolerant (-20°C to 120°C)

    • Food-grade safe for water storage/foot baths

    • Easy to clean with soap and water

  • Best For: Home storage bins, trash cans, foot soaking tubs

PET Buckets

  • Key Features:

    • Crystal-clear visibility of contents

    • 20% lighter than standard buckets

    • Resists yellowing in sunlight

  • Best For: Decorative storage, display containers, liquid monitoring

Other Options:

For Procurement Specialists

PP Performance Metrics

Property Test Result Standard vs. Industry Avg
Impact Strength 6 kJ/m² ASTM D256 +30%
Heat Resistance 110°C @ 0.45MPa ISO 75 +15°C
Return Rate ≤2% Internal QA -6 pts

PET Value Advantages

  • Logistics: 5-gallon bucket = 730g (saves $0.38/unit shipping)

  • Retail Premium: 15-20% higher shelf price (per Nielsen data)

  • Sustainability: GRS-certified rPET available (30-50% PCR)

Compliance Documentation:
• FDA 21 CFR / EU 10/2011 (food contact)
• UL ECOLOGO® for rPET
• Material Safety Data Sheets

Customization Service:
Contact sales@kingstarmold.com for:

  • Chemical compatibility testing

  • MOQ/cost analysis

  • Private-label certifications

What is the minimum order quantity for plastic buckets?2025-07-03T08:06:35+00:00
The minimum order for our plastic buckets depends on what you need:
  • For ready-made, standard buckets (no changes), you can usually order as few as 0—you can even grab a small batch for retail—or 50 units. Good if you just need off-the-shelf stuff without any tweaks.
  • If you want custom work that doesn’t need new molds (like adding your logo, switching colors, using our existing molds), you’ll usually need to order 1,000 to 2,000 units. It can vary a bit based on the specific changes you want.
  • For custom designs that require new molds (like unique sizes or shapes), you’ll need to start with around 5,000 to 10,000 units. This depends on how complex the mold has to be.
But hey, these numbers aren’t fixed. If you’ve got specific needs—like a long-term plan to work together, or ordering in batches over time—just let us know. We can find a way that fits.
Can I get plastic buckets certified for food contact?2025-07-03T08:09:07+00:00

Yes! We offer food-grade buckets compliant with relevant regulations (e.g. FDA, EU standards). If you plan to store food, beverages, or edible products, please let us know so we can ensure you receive buckets with the proper certifications and materials.

What is the typical lead time for plastic bucket manufacturing?2025-07-03T08:17:57+00:00
The typical lead time for plastic bucket manufacturing varies based on the type of order—keep in mind, these are rough estimates from past projects, not fixed timelines. For exact details, feel free to reach out to us directly.
  • Standard, off-the-shelf buckets: Usually 1–2 weeks. Since they’re already in production or stock, it’s mostly about packaging and shipping once the order is confirmed.
  • Custom orders without new molds (e.g., adding logos, changing colors using existing molds): Around 2–3 weeks. This accounts for adjusting production setups for your specific tweaks, plus manufacturing and shipping.
  • Custom orders needing new molds (unique sizes, shapes): Typically 4–8 weeks. The mold itself takes 2–4 weeks to make, and then we need time for production, testing, and delivery.
Again, these are ballpark figures based on past jobs. Lead times can shift depending on order size, material availability, or seasonal demand. For your specific order, just let us know the details—we’ll give you a more precise timeline.
Can I get a discount for bulk orders?2025-07-03T08:24:53+00:00
Yep, we do offer discounts for bulk orders. The exact discount depends on a few things: how many units you’re ordering, whether they’re standard off-the-shelf buckets or custom ones, and the total order value. Generally, the larger the bulk—like ordering thousands of units instead of a few hundred—the better the discount we can work out.
For standard buckets, bulk discounts kick in once you hit certain quantities (we can share those thresholds if you let us know your order size). For custom orders, since there’s more setup involved, the discount structure adjusts a bit, but bigger batches still mean better rates.
If you’ve got a specific number in mind, just tell us—we can run through the details and give you a clear idea of the discount you’d get.
Do you offer eco-friendly plastic buckets?2025-07-03T08:13:12+00:00
We do have a range of eco-friendly plastic buckets—designed to be kinder to the planet, and they all meet specific standards to back that up. Here’s what we offer:

 

First, PCR (post-consumer recycled) plastic buckets. These are made using 30% to 100% recycled plastic from things like old bottles or containers, which cuts down on new plastic production. They’re just as tough as regular buckets, and they meet standards like ASTM D6400 (which checks that recycled materials are properly traced and processed) and ISO 15270 (guidelines for safe, quality recycling). Good for most storage needs, from household use to light industrial.

 

Then there are biobased plastic buckets. These are made with polymers from renewable sources—like plant-based HDPE, instead of fossil fuels. They meet ASTM D6866, a standard that verifies how much of the material comes from renewable sources. They work just like traditional plastic but reduce reliance on oil.

 

We also have compostable buckets for cases where you need them to break down after use. These meet EN 13432 (the European standard for industrial composting) and ASTM D6400 (the U.S. equivalent). They’ll fully decompose in industrial composting facilities within 180 days, leaving no harmful bits behind—great for products where end-of-life sustainability matters most.

 

All these options keep the strength and durability you need, while ticking the eco boxes. Let us know if you want specifics on which standard fits your project best.

Knowledge Of Bulk Plastic Buckets

one stop plastic injection mold maker molding manufacturer

KingStar Mold specializes in building custom injection molds and manufacturing plastic, silicon & high precision metal parts. With decades of expertise in injection molding, mould/tooling building, CNC machining, 3D printing, and sheet metal fabrication, we provide high-quality solutions tailored to your needs.

  • No. 319, Baisheng Road, Kunshan City, Jiangsu Province, China

  • +86 512 5799 9297

Services
Resources
Company

© Copyright 2009 - 2025 | KingStar Mold Industries Co., Ltd. | All Rights Reserved

Go to Top