Metal zipper is a kind of zipper, which refers to the zipper whose microphone teeth are made of copper, cupronickel or aluminum material. Compared wit...
Invisible zipper consists of chain teeth, sliders, limit codes (front and rear) or locking pieces. The fastener element is the key part, which directl...
First of all, the processing technology is different, the former is made of injection molding, while the latter is made of hot pressing; secondly, the...
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2022-05-28
