2020-06-09
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Teach you how to install simple invisible zippers
An invisible zipper is called an invisible zipper. It is a repetitively opened and closed two flexible connecting pieces...
2020-06-09
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y tooth zipper identification standard
Y tooth zipper is a new type of zipper produced by Yixin Company. Many people find it very annoying how to identify the ...
2020-06-09
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Metal zipper classification and production process
There are 3 types of teeth in metal zippers. The specific types of teeth are as follows: 1. P teeth, also known as round...