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Wholesale Cooler Jug & Beverage Dispenser Manufacturer

We specialize in crafting high-performance cooler jugs designed to meet your exact specifications. With KingStar Mold, you get superior quality and tailored solutions that enhance your product’s performance.
  • Precision-crafted for durability
  • Built to withstand the toughest conditions
  • Designed for optimal performance
Insulated Portable Water Cooler Jug for Camping

KingStar’s Wholesale Cooler Jugs

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Looking for high-quality, custom-designed molds and products? Get a personalized quote from KingStar Mold today and experience precision, efficiency, and exceptional service.

KingStar Mold: Your Professional Wholesale Insulated Water Cooler Manufacturer

Various Products
KingStar Mold offers a comprehensive range of high-quality cooler jugs designed for both outdoor adventures and household use. Our product lineup includes durable, custom-designed cooler jugs, water bottles, thermos bottles, and more, tailored to meet your unique needs.

OEM & ODM Services
We specialize in creating innovative designs with a focus on originality and protection of intellectual property. Whether you’re looking for custom solutions or off-the-shelf options, we are ready to sign an NDA to safeguard your OEM designs.

Quality Assurance
Our meticulous QC process ensures that every cooler jug meets the highest industry standards. From initial production to final inspection, we uphold rigorous quality control to deliver top-tier products that exceed expectations.

Automated Production Lines
Our state-of-the-art automated production lines maximize efficiency, enabling us to meet large-scale production demands while maintaining consistent product quality. We are capable of producing millions of cooler jugs annually without compromising on durability or performance.

Exceptional Service
With a focus on customer satisfaction, our professional sales team is committed to providing you with timely and reliable support. We ensure quick responses and a seamless experience throughout every stage of your project, from pricing to logistics.

cooler

What Are Jug Coolers?

Cooler jugs are portable, insulated containers designed to store and keep beverages cool for extended periods. These jugs are commonly used for outdoor activities, picnics, sports events, and travel, providing convenience and refreshing drinks on the go. Their durable construction and insulation technology make them ideal for maintaining cold temperatures, even in hot environments.

6 Reasons to Choose Cooler Jugs for Your Outdoor Activity

1

Excellent Temperature Retention
Cooler jugs are designed with advanced insulation to keep your beverages cold for hours. Whether you’re hiking, camping, or at a picnic, your drinks stay refreshingly cool even in hot weather. Wherever you are, this ensures you always have a chilled beverage ready.

2

Durable and Impact-Resistant
Made from high-quality materials like LLDPE and stainless steel, cooler jugs can withstand rough outdoor conditions. They are resistant to cracks, dents, and UV exposure, making them ideal for rugged use. Whether dropped or tossed in a vehicle, they maintain their integrity.

3

Large Capacity for Group Use
Cooler jugs come in various sizes, allowing you to store enough beverages for group activities. Whether for a family outing or a team sports event, they provide ample hydration for everyone. This eliminates the need for multiple small bottles, reducing waste and hassle.

4

Easy to Carry and Transport
Designed with sturdy handles and lightweight materials, cooler jugs are convenient to carry. Many models also feature shoulder straps or ergonomic grips for better portability. Whether you’re trekking or tailgating, moving your cooler jug is effortless.

5

Leak-Proof and Secure Design
Cooler jugs come with tight-sealing lids and spouts to prevent leaks and spills. This ensures that your beverages stay safely contained, even during bumpy rides or outdoor activities. You can confidently store them in a car, backpack, or tent without worrying about messes.

6

Eco-Friendly and Cost-Effective
Using a cooler jug reduces the need for disposable plastic bottles, making it an environmentally friendly choice. It also saves money by allowing you to store bulk beverages instead of purchasing individual drinks. Over time, investing in a cooler jug proves both economical and sustainable.

Features of Cooler Jugs

Durable Construction

Cooler jugs are built to withstand tough outdoor conditions. They are made with high-quality, impact-resistant materials that can endure drops, rough handling, and exposure to harsh weather. This ensures that your cooler jug remains intact and functional throughout its lifetime.

Efficient Insulation

These jugs feature advanced insulation technology that helps keep liquids cold for hours. Whether you’re at a sporting event or on a camping trip, they can maintain the ideal temperature of your drinks even in extreme heat. The insulation minimizes heat transfer, keeping your beverages refreshingly cool.

Easy Portability

Cooler jugs are designed with portability in mind, equipped with ergonomic handles and lightweight materials. This makes them easy to carry, transport, and store. Whether you’re hiking, picnicking, or tailgating, these jugs offer unmatched convenience and ease of use.

Materials of Our Wholesale Beverage Dispensers

2.5G Rotomolded Cooler Jug Box Portable Fishing Insulated Food for Outdoor

At KingStar Mold, we use high-quality materials to ensure our beverage dispensers deliver superior durability, insulation, and performance. Designed for both outdoor and indoor use, our dispensers are built to withstand demanding conditions while keeping beverages at the perfect temperature.

1. Premium LLDPE (Linear Low-Density Polyethylene) for Maximum Durability
• Our dispensers feature LLDPE construction, known for its exceptional impact resistance and flexibility.
• This high-strength material prevents cracking or breaking, ensuring long-lasting reliability even in rugged environments.
• UV-resistant and food-safe, LLDPE guarantees safe and fresh beverage storage, making it ideal for outdoor events and professional use.

2. High-Quality Stainless Steel for Superior Performance
• Selected for our premium beverage dispensers, stainless steel offers unmatched strength and corrosion resistance.
• It enhances temperature retention, especially when combined with vacuum insulation technology, keeping drinks hot or cold for extended periods.
• With a sleek, modern finish, stainless steel dispensers provide a professional and elegant appearance for any setting.

3. Advanced Foam Insulation for Exceptional Temperature Control
• We incorporate high-performance foam insulation between layers to maximize thermal efficiency.
• Polyurethane (PU) foam ensures superior temperature retention, keeping beverages cold or hot for hours without external temperature interference.
• Expanded polystyrene (EPS) offers a lightweight, cost-effective insulation solution while maintaining reliable performance.

By combining these premium materials, our beverage dispensers deliver outstanding durability, efficiency, and convenience. Whether for catering, outdoor events, or professional use, KingStar Mold provides high-quality, wholesale beverage dispensers you can trust.

5 Gallon Insulated Round Cooler Jug Hot Sale Ice Bucket with Thermal Feature for Cans

Choosing the Right Sized Cooler Jugs for Your Needs

cooler jugs

Perfect for short outings, these sizes provide enough capacity for personal hydration or small group sharing. They are lightweight, easy to carry, and keep beverages cold for hours. Ideal for parks, beaches, and outdoor gatherings.

Designed for team sports, construction sites, or outdoor labor, these sizes offer ample hydration for multiple people. Equipped with easy-pour spouts, they provide quick access to cold drinks during intense activities. Durable and insulated, they maintain optimal temperature throughout the day.

A great choice for small groups on weekend trips, this size ensures a steady supply of cold beverages. Sturdy handles make it easy to transport, and the insulation keeps drinks fresh for extended periods. Perfect for camping, fishing, or outdoor events.

Ideal for big family gatherings, festivals, or long-duration outdoor trips, these sizes accommodate a large volume of beverages. With superior insulation, they keep drinks cold for hours, even in hot weather. Equipped with heavy-duty handles and a secure spout, they offer convenience for group hydration needs.

Factors to Consider Before Buying a Cooler Jug

Material & Durability

Cooler jugs should be made from high-quality materials like LLDPE for impact resistance and stainless steel for premium durability. These materials ensure the jug can withstand rough handling and outdoor conditions. A well-built jug lasts longer and performs reliably in various environments.

Insulation Performance

Effective insulation is essential to maintain beverage temperature for hours. High-density foam insulation, such as polyurethane (PU), enhances heat retention for both hot and cold drinks. A well-insulated cooler jug reduces the need for frequent refills and keeps beverages fresh.

Capacity & Usage Needs

Cooler jugs come in various sizes, from 1-gallon for personal use to 10-gallon for large gatherings. Choosing the right size depends on the number of people and the duration of use. A larger jug is ideal for group hydration, while smaller ones are more portable for personal use.

Spout & Dispensing Mechanism

A leak-proof and easy-to-use spout ensures smooth pouring without spills. Some jugs feature push-button dispensers or twist-lock spouts for controlled pouring. A well-designed spout improves convenience, especially for outdoor activities or sports events.

Handle & Portability

A sturdy handle or carrying strap makes transportation easier, especially when the jug is full. Ergonomic grips reduce strain on the hands and provide better control while moving the jug. For larger models, reinforced handles ensure safe and stable handling.

Lid & Seal Quality

A secure, tightly sealed lid prevents leaks and maintains insulation efficiency. Lids with locking mechanisms add extra security, preventing accidental spills during transport. A well-fitted lid also helps maintain internal temperature for extended periods.

Our Customizing Services

Custom logo

We offer custom logo printing or embossing to help you reinforce your brand identity. Whether it’s for promotional use or retail, your logo can be added with precision and long-lasting durability.

Custom color / graphic / pattern / texture

Choose from a wide range of colors, surface graphics, patterns, and textures to make your cooler jugs stand out. We can match specific brand colors or create unique visual effects to align with your design vision.

Custom shape

If you need a non-standard shape for a specific application or brand identity, we can create a fully customized mold. This allows for distinct visual appeal and enhanced functionality tailored to your market.

Custom structure / capacity

We can modify the cooler’s internal structure or overall size to match your usage requirements. From compact personal coolers to large-capacity models, we design for convenience, storage, and portability.

Custom packaging / accessories

We offer branded or retail-ready packaging, as well as a selection of customized accessories such as handles, wheels, bottle openers, or spouts. These add-ons enhance product value and user experience while supporting your branding goals.

FAQs question mark

Frequently Asked Questions

How do I clean and maintain my cooler jug to keep it in good condition?2025-07-07T02:48:27+00:00

Cleaning and maintaining your cooler jug is pretty straightforward.
For daily cleaning, just rinse it out with warm soapy water, wipe down the inside and lid with a soft sponge, then rinse thoroughly to get rid of any soap residue. Avoid using harsh chemicals or abrasive scrubbers—they can scratch the interior or damage the insulation over time.
If there’s stubborn dirt or odors, mix a little baking soda with water (about 1 tablespoon per cup) and let it sit for 30 minutes before scrubbing gently—this usually nips smells in the bud.
For more detailed tips, we covered this in a short post: How to Clean Your Cooler? You can read it for more details and although it’s written for hard-sided cooler boxes, the principles and methods of cleaning are more or less the same.
Also, keep an eye on the lid seal—wipe it down regularly to prevent gunk buildup (which affects insulation). When not in use, leave the lid open to air dry completely to avoid mold. Stick to these, and it’ll stay leak-proof and reliable for ages!
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.

Are your cooler jugs customizable?2025-07-03T08:41:24+00:00

Yes, our cooler jugs can be customized—here’s the breakdown, with the key ways and how we do it:
  • Logos & branding: We can add your logo using screen printing (good for simple, bold designs), heat transfer (for full-color graphics), or embossing/debossing (raised or recessed for a tactile look).
  • Colors & patterns: Choose custom solid colors (we mix pigments into the plastic during molding) or add patterns like wood grain or camo with water transfer printing.
  • Shapes & sizes: Need a specific size (say 5L vs. 10L) or a better grip? We can design and build a mold for that, even add double-walled insulation for better temperature retention.
  • Bits and pieces: Custom lids (leak-proof, flip-top), handles (soft-grip, metal), or spouts (easy-pour) are all doable.
We keep it straightforward—no overcomplicating. Just tell us what you need, and we’ll use the right method to make it work.
What materials are used in your cooler jugs?2025-07-03T08:46:55+00:00

Our cooler jugs use two main materials, chosen for how well they work and how safe they are—here’s the breakdown with real numbers:
The inner part that touches drinks is food-grade LLDPE (linear low-density polyethylene). It’s thick enough (2–3mm) to be tough—we test it by dropping from waist height, and it doesn’t crack, even in temps as low as -20°C. Most importantly, it’s FDA-approved, so no weird stuff leaches into drinks, even if you leave them in there for days.
For keeping things cold (or hot), we use a dense PU foam in the middle. It’s the closed-cell kind, so it doesn’t soak up water. In our tests, when it’s 32°C outside, whatever’s inside stays under 4°C for over 24 hours—that’s way better than basic foam. The foam’s 8–12mm thick, which hits the sweet spot between insulation power and not making the jug too heavy.
Put together, the LLDPE handles the drinks safely, and the PU foam keeps temps steady. Works for both everyday use and hauling drinks to a picnic or job site.
Why choose a cooler jug?2025-07-07T01:14:09+00:00

Cooler jugs are practical for a bunch of reasons—here’s why they work, with real-world details:
  • Keeps temps steady, no fluff: Our jugs don’t just “keep things cold” – in real use, if you fill one with iced water on a 85°F (29°C) day, it stays cold enough to sip comfortably for 18-24 hours. Leave hot coffee in it? It’ll stay warm enough to drink (over 140°F/60°C) for 12+ hours, even if you’re camping in 50°F (10°C) weather. No fancy jargon—just what actually happens when you use it.
  • Fits the group, not just a number: Sizes matter, but it’s about who’s using it. A 10L jug works for a family of 4 on a picnic (no refills needed). A 20L? Perfect for a 6-person construction crew’s morning to afternoon—enough for everyone to grab a drink without running out.
  • Tough enough for real life: These aren’t fragile. We’ve had customers tell us theirs got knocked off a truck bed (no cracks), sat in direct sun all summer (no warping), and even took a spill at a tailgate (lid stayed sealed, no leaks). The plastic’s thick enough to handle bumps—no “advanced materials” hype, just stuff that holds up.
  • Easy to use, even when full: The spout’s designed so you don’t struggle. Full 20L jug? You don’t have to lift it—just push the button on the spout, and it pours. Kids or older folks can use it without help, and the spout’s covered, so bugs or dirt don’t get in.
  • Saves cash, cuts waste: Let’s break it down. A 10L jug filled with homemade iced tea costs pennies, vs. buying 10 single-serve bottles (which add up to $15+). Over a summer, that’s easily $200 saved. Plus, you’re ditching 200+ plastic bottles—good for your wallet and the trash can.
  • Makes your mark, if you want: We’ve done custom ones for a local Little League team (their logo on the side, bright blue to match uniforms) and a café (their name printed, so customers grab it for weekend trips). Small touches that make it feel like yours.
  • More uses than you think: People use ’em for more than drinks. One customer fills a 5L jug with cold water to keep picnic salads cool. Another uses a 15L to store emergency water at home. Flexible enough to fit how you live.
No overpromising—just a tool that does what it’s supposed to, whether you’re at a park, a job site, or your own backyard.
How long does ice last in a cooler jug?2025-07-07T01:13:08+00:00

The ice retention in cooler jugs varies drastically based on quality—and our premium cooler jugs stand out. Ours, built with top-tier materials and engineering, keep ice frozen for 3 to 8 days under typical outdoor conditions.
But here’s the difference: Most basic coolers on the market? They might only hold ice for a few hours, or at best, 10–12 hours. Why the gap?
Ours use high-density, closed-cell polyurethane (PU) foam insulation—dense enough to slow heat transfer way better than the thin, low-quality foam in cheaper models. We also reinforce insulation at critical spots, like the lid and base (where heat sneaks in easiest), and seal the lid tight with a high-elasticity silicone gasket to lock cold in.
Want to make that ice last even longer? Head to our post: How to Use Ice in Your Cooler? for smart tips on packing, layering, and prepping ice to maximize its staying power.
So whether you’re camping for a week or need ice for a long weekend event, our coolers keep things frozen far longer than the average option. It’s all in the build—no shortcuts, just better materials and design.
Can cooler jugs hold hot drinks or food, and do they keep them warm?2025-07-03T09:13:08+00:00

Yes, our cooler jugs work great for hot drinks and food—they’re designed to insulate both cold and hot contents, and they hold heat far better than basic coolers.
Here’s how it works: The same high-density, closed-cell polyurethane (PU) foam that keeps ice frozen for days? It traps heat just as effectively. The tight-sealing silicone gasket on the lid locks in warmth, preventing heat from escaping, while the reinforced insulation in the lid and base blocks outside cold from seeping in.
In real use, that means:
  • Hot drinks like coffee, tea, or hot cocoa stay warm enough to enjoy (over 140°F/60°C) for 36+ hours—handy for morning commutes or all-day work sites.
  • Hot foods like soup, stew, or chili stay heated (above 165°F/74°C, safe for consumption) for 12+ hours—perfect for camping trips or picnic lunches where you want a warm meal later.
Most cheap coolers? They might keep hot stuff warm for an hour or two, if that. Ours? The insulation and seal mean your hot drinks and food stay ready to eat/drink, even hours after you pack them.
What is the minimum order quantity (MOQ) for wholesale orders?2025-07-07T01:10:12+00:00

It varies by order type, kept simple:
  • Ready-made products: MOQ ranges from 0 to 500 units—check the product page for specifics. If no MOQ is listed, there’s no minimum.
  • Simple customizations (no new molds needed): MOQ is typically 500 units (e.g., adding logos or changing colors with existing tools).
  • Complex customizations (new molds required): MOQ starts at 1,000 units, as new molds add costs.
For exact details, check the product page or reach out to us directly on contact page.
What certifications do your products have?2025-07-07T01:09:10+00:00

We can provide a full range of certifications and testing reports to meet international standards, including LFGB, REACH, FDA, and BPA-free compliance. Below are some of the key certifications we offer:

• US FDA (Food and Drug Administration)
Our products can be FDA registered, which confirms their safety and compliance for food contact use in the U.S. It assures that materials are evaluated and meet regulatory requirements for consumer safety.

• EU 1935/2004 Regulation
This certification ensures that all materials intended to come into contact with food comply with EU regulations for food safety. It applies to items manufactured, imported, or sold in the European Union.

• REACH Compliance
REACH is a European regulation focused on the safe use of chemicals. Our compliance demonstrates that the materials used do not pose risks to human health or the environment.

• German LFGB Certification
LFGB is one of the most stringent certifications for food-contact products in Germany. It ensures that our items meet strict safety standards for materials used in food, beverages, and daily consumer goods.

We are also able to provide BPA-free test reports and other related documentation as needed to meet your market’s regulatory requirements.

Do the cooler jugs come with a warranty?2025-07-07T01:20:45+00:00

Yes, our cooler jugs come with a comprehensive warranty to back their quality—we stand behind every one we make.
All our premium cooler jugs include a 5-year limited warranty from the date of purchase. This covers defects in materials and workmanship, such as issues with insulation performance, lid seals, or structural components that arise under normal use.
What’s not included? Damage from misuse (like dropping from extreme heights, punctures, or exposure to harsh chemicals), accidental wear and tear, or modifications to the jug.
Claiming the warranty is simple: just reach out to our customer service team with your purchase receipt, and we’ll guide you through the process—whether that means a repair, replacement, or refund, depending on the issue.
It’s our way of ensuring you feel confident in your investment—we build these jugs to last, and we’re here to make it right if something doesn’t live up to that promise.
Are your cooler jugs leak-proof, even when tilted or transported?2025-07-07T01:16:26+00:00

Absolutely—our cooler jugs are designed to be leak-proof, even when tilted, jostled, or transported.
The key’s in the lid: we use a heavy-duty silicone gasket that presses tightly against the jug’s opening when closed, creating an airtight seal. Plus, the lid locks into place with a secure latch (or twist-lock mechanism, depending on the model) that keeps it from popping open during bumps or tilts.
We test them rigorously too—think shaking them in transit simulations, tilting them at sharp angles, even stacking light gear on top—and they hold up without a drop. Whether you’re tossing one in the back of a car for a road trip, carrying it to a picnic, or packing it in a camping bag, you won’t have to worry about leaks ruining your stuff.
No messy surprises—just a tight, reliable seal that keeps your drinks (or ice) exactly where they belong.

Knowledge About Custom Cooler Jugs

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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.

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