erw 200mm diameter steel pipe 1.Standard:ASTM A53/A252,BS 1387 ... standard export packing with PVC. Tianjin Dingchengli Trading Co., Ltd. /Tianjin Zhengji Steel Pipe Co.,ltdProductStandardODWTLengthGalanized pipeGB/T3091 ... gas industries. chemical fertilizer pipe/ natural gas/ petroleum transportation, fence pipe, scaffolding pipe, greenhouse pipe, conduit pipe, fluid pipe etc.MarketNorth/South America ...