1.Standard:GB/ASTM/ANSI/BS/DIN/JIS 2.Process:investment casting,sand casting,lost wax casting,mirror polishing,etc. Our company can produce the products including OEM casting parts, machining parts, machinery parts, auto&motorcycle parts, marine&railway parts, hardware, flange, valve&pump fittings, etc.The products' information as follow:NO. 1---Material: casting steel, alloy steel, carbon steel, ...