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Your Reliable Bag Manufacturer
Founded in 2006, Weierken is a trusted bag manufacturer with 20 years of experience in the outdoor and delivery bags industry.
We operate 3 self-owned factories across China and Cambodia, covering 80,000+ sqm with over 3000+ skilled workers. Our core product lines include cooler bags, waterproof backpacks, beach bags, and more, all OEM, ODM, and custom-built to client specifications.
Trusted by 2,000+ global brands, we provide dedicated R&D, fast turnaround, and strict quality control as their long-term design and production partner.
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Why Choose Us
1. Certified In-House Factories in China and Cambodia
Weierken owns and operates three self-owned factories across China and Cambodia, covering 80,000+ square meters and staffed by 3000+ skilled workers. With BSCI, SEDEX, ISO, and other certifications, our vertically integrated production ensures stable quality, on-time delivery, and cost control, trusted by 2,000+ global clients.
2. Experienced R&D Drives Market Fit
Our in-house R&D team works closely with brands to turn concepts into custom products. We combine trend insights, user behavior research, and prototype testing to create cooler bags, delivery bags, and waterproof gear that align with your market and brand vision.
3. Flexible ODM/OEM/Customization Services
From materials, structure, and colors to logos and retail-ready packaging, we guide clients through every detail of the customization process. Weierken supports both flexible-MOQ pilot runs and high-volume orders, offering mockups, 3D previews, and flexible adjustments along the way.
4. Partnership Mindset, Not Just Manufacturing
We’re more than a bag factory. We act as a hands-on production partner to many brands, helping them scale efficiently. With responsive communication, after-sales support, and continuous development, our team is committed to long-term brand growth, not just one-time orders.
Certification
What's On Trend
25L IPX7 WATERPROOF WIDE-OPENING BACKPACK W02-26SS
Designed for short fishing sessions, boat or kayak dry storage, outdoor travel and rain-season commuting.
20L MAGNETIC-CLOSURE WATERPROOF COOLER BACKPACK C04-26SS
Designed for fishing, boating, outdoor travel and retail outdoor programs.
Insulated Delivery Bags DBS06
All-in-one delivery bag with premium features for...
Insulated Food Delivery Bag With Shoulder Strap DBS08
Insulated bag, fit for food trays, meats, grocery delivery...
Recent Blog Posts
Guides
Direct Leakproof Fish Delivery Bag Supplier: Cut Sourcing Cost
Every commercial seafood distributor knows that cold chain logistics leaves zero room for error. Yet many procurement teams still make the mistake of buying ordinary thermal bags to save p
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Guides
Sourcing a Seafood Transport Bag OEM: B2B Buyer's Ultimate Guide
Cold chain logistics for fresh seafood has zero margin for error. A single failed seam or a ruptured liner can turn hundreds of pounds of live lobster, sashimi-grade tuna, or fresh oysters
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Guides
Top 4 Eco-Friendly Materials for Custom Insulated Seafood Delivery Bags in 2026
Strict environmental legislation across Europe, North America, and Australasia will penalize traditional cold-chain packaging by 2026. Expanded polystyrene (EPS) foam boxes, once the seafo
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