86-22-59518927
Datun Industrial Park, Daqiuzhuang Town, Jinghai County, Tianjin, China (Mainland)
china manufacturer 4 inch hot galvanized steel pipes / OD 114.3 GI pipe, US $ 540 - 540 / Ton, ASTM, bs, DIN, GB, ASTM A213-2001, ASTM A53-2007, ANSI A213-2001, ASTM A234-2007, ASTM A53M-2007, BS 1387, BS EN10296, BS 4568, BS EN10219, DIN 17175, GB/T 9711.1-1997, GB/T 3089-1982, GB/T 9711.2-1999, GB