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[email protected] Commodity1 ductile iron casting upper
and lower valve body2 supply flexible valve bodyMaterial: ductile iron ... part with wax casting:1.Process: silica sol process
and water glass2.Material:stainless steel casting,carbon steel casting,alloy steel ... 300mm to 500mmMachining part with forging:1.Process:die forging
and free forging2.Material:gray iron forging,ductile iron forging, ...