Patent No: ZL 2008 2 0107424.8

   

The patent for SZIP Superproof(a kind of new nylon waterproof&airtight zipper)

   

The patent for plastic waterproof&airtight zipper

   

The patent for multifunctional waterproof bag with waterproof&airtight zipper

   

The patent for a new kind of waterproof zipper

     

Testing report

   

Testing report


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