0086-532-86949292
Room 4002, No. 5, Area B, Xin'an Industrial Park, ETDZ, Qingdao, Shandong, China (Mainland)
Square ERW Welded Carbon Steel Tube for Construction, US $ 600 - 700 / Ton, ASTM, bs, GB, ASTM A106-2006, ASTM A213-2001, ASTM A53-2007, BS 1387, BS 4568, GB/T 3091-2001, 10#-45#, A53-A369, Q195-Q345, ST35-ST52, 10#, 20#, A53(A,B), A106(B,C), Q235, Q345, Q195, Q215, ST37, ST52, ST35.8, St37-2, 0.4 -