... in China, established in 1986, producing forged round bars with different grades. It is the certification holder of ISO9001:2000 ... steel, bearing steel and tool steel with more than 200 grades, as well as complying with AISI, SAE, ASTM, and DIN ... Russia, Australia, Turkey, Belgium, South Korea, Japan, Taiwan and so on.With the first-class equipment and high-standard techniques, our products ...