WE Tianjin Boer King Steel Import and Export CO.LTD LOCATED IN SHUANGGANGINDUSTRIAL ZONE,JINNAN DISTRICTTIANJIN, CHINA. 30KM AWAY FROM TIANJIN XINGANG PORT8KM AWAY FROM TIANJIN AIRPORT.,brWE SPECIALIZED IN PRODUCING AND EXPORTING CARBON STEEL SEAMLESS PIPES AND WELDED STEEL PIPES> BLACK AND HOT-DIPPED GALVANZIEDMEDIUM AND LOW PRESSURE BOILER TUBES,OIL CASING TUBING AND LINE PIPES QUALIFY THE INTERNATIONAL STANDARD, SUCH AS API 5CT J5555N80P110 API 5L,ASTM A53/A106 GRADE A/B/ ASME A179A192 DIN 2440,2448/BS1387 ETC. SIZES AVAILABLE IN RANGE, 14 inch-48inch.br