2020-06-09
More
What is single-ended and double-ended zippers
In order to make the zipper easy to use, reasonable and economical, humans have produced a series of different types of ...
2020-06-09
More
Causes of discoloration of metal zipper teeth
1. Chemical properties of copper alloys Copper alloy materials will react chemically when they meet acidity, alkalinit...
2020-06-09
More
The difference between metal zipper, injection zipper, nylon zipper
According to the production process of the zipper manufacturing and the different materials, the zipper is divided into ...
2020-06-09
More
Accessories can also create high value-added brands
Accessories manufacturers are gradually getting rid of their previous subsidiary status, not only improving their overal...
2020-06-09
More
Commonly used methods for identifying zipper quality
Commonly used methods for identifying the quality of zipper cloth tape: the cloth tape is dyed evenly, without stains, n...