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YKK's mission　

When you see "ykk" you can think of a zipper or a clip-on product. But can you still see more? The brand you have seen is the past 70 years and now, we have always been a leader in the industry brand, and shoulder the leadership responsibility.

2018

12-19

Zipper knowledge

Under normal circumstances, the copper alloy chemically reacts with chemicals such as acid\alkaline\oxidizer\reducing agent and sulfide, and forms a color salt.

2018

12-19

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Website：www.ytwanhao.com / www.ytykkzipper.com

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