pump parts 1.ISO2000:9001 approved 2. ... precision casting 4.weight range:0.5kg-50kg pump partsMaterial: stainless steel(316,316L,CN7M,CD4), ... SCS1, SCS2 BS-304C15,410C21,420C29 Silica sol process Water glass processCarbon steel ASTM A216-Cr, WCB, WCA ... JIS-SC410,SC450,SC480,SCC5 Silica sol process Water glass processAlloy steel ASTM-LCC DIN-GS-40Mn5 ... -J02505,J13048 Silica sol process Water glass process