Silica Sol Precision Casting Steel Parts for Water Treatment SystemMaterial: 17-4PHProcess: Silica sol castingFinish: Shot blastingTolerance standard : GB6414/1999 CT-6 classCertificate: ISO9001:2015Unit weight: 22.3 KgsQuantity made: 500 Pcs Hot Tags: silica sol precision casting steel parts for water treatment system, China, manufacturers, suppliers, factory, wholesale, customized, buy, made in China, Municipal Administration Engineering Machine Parts, Precision Casting Truck Spare Parts, Kinds Of Species Flanges, Stainless Steel Precision Casting Parts, High Accuracy Locomotive Track Pad, Auto Engine Fuel Injection System Fittings