www日韩Av一区二区_色视频在线观看免费播放_国产福利刺激小视频_妇女馒头高清泬20P多_韩国毛片免费_一级黄色片视频免费看_天堂√中文最新版在线下载_影音先锋在线综合资源

DongGuan Tu\'s ChengFa Precision Spring Co., Ltd

Dongguan Tu’s ChengFa Precision Spring Co., Ltd. And ChengFa Metal Spring Limited, provide incline coil spring, finger spring, automobile spring, medical spring and other products for the world, to provide customized services for customers, Company was founded in 2002 in Shenzhen, China, with the company's continuous development, continuous innovation, in different fields to expand the market, customers have been all over the world. It has been developed into the automotive, medical, electronic and electrical appliances, artificial intelligence and other industries to provide high-quality springs, Shrapnel and line forming products, is a collection of R & D, manufacturing and sales as one of the national high-tech enterprises, and in 2017 the company headquarters moved to Dongguan Tu’s ChengFa Industrial Park, the establishment of Dongguan Tu’s ChengFa Precision Spring Co., LTD., referred to as "Tu’s ChengFa"), is the first to adopt European safety standards and promote industry 4.0, the implementation of MES manufacturing execution department Unified bomb manufacturing enterprises.