... T/TWeb site of our companyhttp://aydl.en.alibaba.com/, www.aydinglong.com, www.aydlsteel.comOur Productshigh level quality products, on time ... tempering, quenching and tempering, and other delivery states are available. Tests: HIC, SSC, SPWHT, Macrostructure, detection of defects, Hardness and DWTT ...