... ,Q215,Q235,Q345Product CategoryMetallurgy,Mineral &EnergyTechniqueWeldedPacking1.Big OD:in bulk2.Small OD:packed by steel strips3.woven cloth with 7 ... days . Company informationYixinda Steel Pipe Co.,Ltd was founded in 1998, and occupied 16-thousand square meters, among which ... mill trains. Besides, the company brings in several advanced technologies that famous in the country or the world, such as ...