Valve Spare Parts

We are offering valve spare parts. Material carbon steel, alloy steel, stainless steel, aluminium, copper and so on standard astm, aisi, din, nf, jis, bs as , etc application railway & train, automobile, ships, agriculture machinery, mechanical machinery components, electrical equipment, engineering machinery, mining machinery, petroleum machinery, etc. Technology silicon sol & sodium silicate process surface treatment blasting, polishing, painting, hot treatment, galvanized finish surface roughness ra6.4~12.5 casting weight 0.02~130 kg dimension tolerance ct5-ct7