... steel manufacturer in China, established in 1986, producing forged round bars with different grades. It is the certification holder of ISO9001: ... complying with AISI, SAE, ASTM, and DIN standards. And our main specification is from Φ260mm to Φ800mm for forged round bar ... , Turkey, Belgium, South Korea, Japan, Taiwan and so on.With the first-class equipment and high-standard techniques, our products ...