Metal zipper

The metal zipper appearance quality judgment has been a problem affecting production efficiency .

金属拉链外观质量判断一直是影响产品生产效率的一个难题。

In the production process of the metal zipper , many reasons will cause the loss of zipper teeth and the limit code , as well as the chain belt edge might exist breakage or dirt .

金属拉链在生产过程中，由于各种原因导致拉链链齿、拉头和限位码的缺失，链带存在边缘破损、有污垢等缺陷。