Small zipper big knowledge,basic knowledge popularization
Currently, there are more than 25,000 zipper patents in the seven countries and two in the world, and more than 5,000 patents have been applied in China. The last century, zippers were rated as one of the most influential of the top ten inventions, one hundred years zipper has been constantly innovative and rich, there is still no product can replace the function of the zipper, some even predicted in the future Zipper can not be replaced within fifty years.
Has a zipper in awe, the zipper has a very long and very complicated production process, a high precision requirements, is the integration of many professions and types of work; zipper many varieties, a wide range of applications, have deep expertise, to Do a zipper is indeed an easy thing, zipper is not casually be able to build out, this is not my personal feelings and views.
A lot of knowledge related to how the zipper should be made, or how we should create a good value zipper, which is worthy of the Chinese zipper thinking, we can not stay in a superficial level, copy is representative Can not create.
We often see some of the phenomenon: some people do not receive professional training, casually follo