... 5) MOQ:100sets Air Valve components NameAir Valve componentsCharacterValve Body and manifold base character: high density resistant, using special ... measure by CMM, spectrometer, roughness tester, hardness tester, salt spray tester.Production process: turning, milling, drilling, lathing, grinding, ... Vehicle Industry Co., Ltd. Casting aluminium valve body(Mechanical parts and fabrication services)