Yinsheng Machinery Company Limited was established in 2001. Since then our company has developed products and services in CNC Milling collet chuck holder , Spring collet series , collet nut and pull stud , extension collet chuck , metalworking accssories etc .(We also Located in Hongkong Y.X company limited in 2008) we mainly developement in"YS"brand machine tool accessories production and try to assist you in assure that your manufacturing process is cost-effective and delivery the highest quality product. Our company occupying over 3000 square meter manufacturing area and high precision machine ability production more than 100000 products a month . Our factory history : 2001 YS brand applied by government 2004 YS purchased new Measure machine : 2008 YS establish company in Hongkong ( Y X company limited )