Our company is mainly engaged in a few kinds tube,ASTM A53 A106竊�ASME A106 A210 A213 A335 竊�teel pipes produced according to American standard 竊�BS (steel pipes produced according to English standard)竊�IN (steel pipes produced according to Germany standard).If interested ,please contact with our company, we are glad to cooperate with your company, and set up long-term cooperation.