... from all walks of life to contact us for future business relationships and achieving mutual success! ... 2008, GB9948-2006, GB8162-20082. Carbon Material:20#, 35#,45#,CK45,ST45,ST55,SA106B3. Alloy Material: 15CrMoG, 12CrMoVG, 10CrMo910, A335P11, ...