... 9001:2000 certified manufacture of CNC turning, milling, drilling, punching, grinding, welding ,CNC machining service in china. ... hardware and etc.Product description1.CNC turning, milling, drilling, planning, grinding, welding ,CNC machining service2.Material: Carbon ... Steel,Free cutting steel(12L14, 12L15, 1214, 1215, etc),Stainless steel(303, 304, 316), Brass ...