1) Precision dimension control; 2) Perfect surface treatment/outlook; 3) Standard: ASTM\ ... ) Excellent dimensional accuracy11) Perfect Surface treatment e.g. Passivating, stain polishing, Mirror polisheing, Electroplating, E-coating, Black Oxidizing Coating etc.12 ... , ISO, JIS, SS, BS, AISI, SAE, ASTM, GB, UNS, ACIOur Casting plant photos as following: precision casting service