... Steel Pipe (Customized Products Provided)ItemRound Pipe (MM)welded Square Pipe (MM)Rectangular Pipe (MM)Oval Pipe (MM) ... corrosion, 3PE/PP/EP/FBE, etc.EndPlain end, beveled, cut square, grooved, threaded and coupling, etc.Applicationline pipe for use ... Provide Stable Quality and Trustful Servicesquare pipe1,square pipe2,square pipe3,square pipe4,square pipe,square pipe,square pipe