... 3. ASTM,DIN,JIS,BS satanda Company Name : Liaocheng Xinglong Seamless Tube Manufacturing Co.,LtdName15crmo seamless alloy steel ... our factories and the beautiful Water City-Liaocheng.Contact usSHANDONG LIAOCHENG ZGL METAL MANUFACTURING CO., LTDLIAOCHENG XINGLONG SEAMLESS ... John Sales ManagerAdd: No. 3 Taishan Road, Development Zone, Liaocheng, ChinaTel: +86-635-8886513 Fax: +86-635-8886535Mobile: ...