... %Pb59%)<3,Ceramic Plate,Rubber Oring 3.Life span:500000times joystick ceramic cartridgesfast open, Brazil, 60g, ceramic disc, brass fitting, brass ... ≥1050HV5 Roughness ≤Ra0.2um Flatness (light band)We mainly produce metal products,brass cartridges, faucet fittings,brass valves, angle valves, PP ...