... according to the customers request .Connection:weldingMaterial:PP-RPp-r and that three type polypropylene pipe, polypropylene copolymerization ... by extrusion become pipe, PP injection become fittingsAdvantages:Pp-r with a general plastic pipe light weight, corrosion resistance, not ... business has with Africa, Europe, Japan, Indonesia established a stable supply of long-term relationship on this basis, ...