1) Material: Alloy steel, Carbon steel, etc. 2) Standard: ASTM, EN, DIN, JIS ... . The material contain various kinds of high quality carbon steel, alloy steel, tool steel, bearing steel, etc. We adopt the ... ≤10000as clients' requestvarious stepped shaft, transmission shaft, screw rodhot forging modules80-1000as clients' requestvarious modulesPipe seriesdiameter≤1200length≤10000as clients' requestvarious ...