... brass 3.Surface: nickel-plated 4.handle:steel handle copper ball valve:1 Color: original brass ,Nickel plated or double ... numerical control machine.5 Make up: aluminium handle,ball seal(PTFE),brass body forged, brass bonnet forged,brass ... ball,6 Working medium:water,air,non-corrosive liquid7 ... We can change product according to your requests copper ball valve