... 1-1/2", 2", 2-1/2" etc4.Your design and Logo are welcome.5.20 years’ experiences in production ... research and development facilities.8>Production capability:6 production department,8 factory buildings,2 large warehouses,several assembly lines,computer ... gone,sparking machie,driller,lathe,milling machine and over 50 plastics punching machines and thousands of ...