1.Name: square steel pipe 2.Good quality and preferential price 3.Can be ... slats4.according to the requirements of customersUsageMechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassisMain marketMiddle East, Africa, Asia and some European ... : 20 tons4 Lead time: on or before 20 days .Steel square pipe ,square tube ,rectangular steel pipe black mild square steel pipe