Sealock manufactures waterproof duffel bags for OEM and wholesale buyers at factories in China and Vietnam, and the process rests on a constraint most buyers never hear about. High-frequency welding — the technology that makes a bag genuinely waterproof — works against a flat base plate and is there......
続きを読むSealock manufactures heavy duty waterproof duffel bags for commercial fleets, marine operators, outfitters, and institutional buyers from factories in China and Vietnam. Buying duffels for an organisation is a different exercise from buying them for a store. The unit price matters less than the repl......
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