... 3. ASTM,DIN,JIS,BS satanda Company Name : Liaocheng Xinglong Seamless Tube Manufacturing Co.,LtdNamesa179 seamless steel pipes Brand nameXinglong (ourself ... ASTM A213,ASTM A519,ASTM A333,ASTM A334,JIS G3445,JIS G3454,JIS G3455,JIS G3456,JIS G2461,DIN 1629,DIN 1630,DIN2440, DIN2448 ... A213,ASTM A519,ASTM A333,ASTM A334,JIS G3445,JIS G3454,JIS G3455,JIS G3456,JIS G2461,DIN 1629,DIN 1630,DIN2440, DIN2448 ...