... . Material: Grey iron, Ductile iron, Malleable Iron, Stainless steel, Carbon Steel, Aluminum, Brass, Bronze or specified 3. Casting, ... silica sol and water glass process2.Material: stainless steel, carbon steel, alloy steel, white steel, copper, brass or on request3.Weight: ... 5. Best after sales service is provided.CertificateISO 9001-2000Investment Casting Process:Quality Control:Looking forward to ...