86-22-26399666
1708, Bldg. A, Haiyi Int'l, Nankai Area, Tianjin, China (Mainland)
High quality seamless STB A20 carton steel tube, US $ 400 - 600 / Ton, ASTM, ASTM A179-1990, ASTM A210-1996, 10#-45#, A53-A369, STB35-STB42, 10#, 20#, 45#, A106(B,C), A178-C, A179-C, A210, A213, STB35, 1 - 220 mm.Source from Tianjin Tiangang Star Technical Development Co., Ltd. on Waimaotong.com.