... cover, piston,pressure plate, cylinder, impeller,disc etc.3. Nearly 150 varieties of productsInspection:1.The whole quality control management has ... ISO9001:2000Finishedl Sand blast and machined, polish Ra0.4 Casting, aluminum casting, alloy aluminum casting, die casting, cast aluminum, sand casting1.Mat.: ASTM 356-T6, A380, A360 ...