2020-06-09
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The history of zipper
With the development of human society, economy and science and technology, the zipper has developed from excellent metal...
2020-06-09
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About the structure of the zipper
The zipper is composed of chain teeth, sliders, limit codes (front code and back code) or locking pieces. The fastener e...
2020-06-08
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The zipper relies on the continuous arrangement of the teeth
Zippers are connecting pieces that rely on continuous arrangement of chain teeth to merge or separate items. They are no...