Metal zipper quality improves, quality is stable, breed can be promoted, brand has influence. Quality problem is also an important factor restricting the healthy development of China's zipper industry. The zipper business is too difficult to do, the operation risk is also big, once the quality problem, the production enterprise is dead. Zipper can not make a brand, but can destroy a brand, the importance of zipper quality. But now zipper price is too low, unreasonable, business is difficult to do. In fact, the reason of memory is that the quality of the zipper is high, the adaptability is wide, and the quality stability is high. As for the zipper industry overall level and quality have been greatly improved, almost can meet the various needs of customers, but to be in the tens of thousands of the zipper quality safe, this is a very difficult task. Zipper in the clothing, bags or applications appear on the product quality defects, for zipper production enterprises, could be a zipper, but for a product is the function of the whole piece of clothing or bags failure, this is a serious problem. And the zipper production enterprise is often because of the quality problem of this one or two times and lost many years of painstaking business customers.