Send the brief
Share the product type, intended use, reference, quantity by variant, destination and target date.

DRYCROSS · DONGGUAN, CHINA
DryCross supports waterproof dry bags, backpacks, phone pouches and large-capacity carry solutions for brands, wholesalers and importers. Review the workshop, product scope, customization route and available documents in the same order a purchasing team evaluates a supplier.
Dongguan Haihe Technology Co., Ltd.
01 / FACTORY VERIFICATION
Start with the physical production environment. These photographs show working areas, production tables, machinery and sewing operations used across different bag constructions.









Buyer check: Ask which equipment and joining process apply to your exact design. A factory may use different processes for welded dry bags, sewn backpacks and clear phone pouches.
Use the factory audit checklist02 / PRODUCT & PROCESS FIT
A purchasing decision should connect the proposed model to the materials, closure, seams, hardware and carrying system needed for its intended use.

Compact and large-capacity starting points for outdoor and water-side use.
Review closure, back system, pockets and shoulder-strap construction together.
Define device fit, window layout, closure instructions and retail packing.
Evaluate loaded geometry, mounting, abrasion areas and access before approval.
SPECIFICATION REVIEW
Discuss the base material, coating or laminate, seam method, closure, windows, pockets and load-bearing attachments as one system. Evidence should match the finished model and its stated conditions of use.
Compare PVC and TPU · Compare seam construction
03 / OEM & ODM DECISION
Existing models, logo customization and fully custom development require different specifications, sample work and order planning.
Share the product type, intended use, reference, quantity by variant, destination and target date.
Confirm dimensions, material, seams, closure, components, artwork and packing.
Record measurements, branding, operation, packing and any model-specific evidence.
Keep the purchase order, approved sample and specification on the same revision.
04 / QUALITY & TRUST REVIEW
Company documents, audit materials, product reports and customer references answer different questions. Request the applicable full files for the selected product and market.


Sample approval checklistQuality-control guidePerformance evidence guide
05 / READY FOR SUPPLIER REVIEW
Include the product or reference, quantity by color and size, logo requirements, destination and required delivery date. Add drawings, packing instructions or evidence requirements when available.