... machining valve box cover 1,full-function CNC lathe 2,CNC milling machine 3,boring machine 4,drilling machine valve box coverWe ... machine, drilling machine, wire-electrode cutting, plasma cutting machine, steel plate shearer, 25-160t punching machine and spot-welding machine ... parts made of materials such as copper, aluminum, stainless steel, etc. Our company also has complete testing instruments & ...