... pipe fitting : PP-R tool,ppr-fr-ppr pipe,PP-R coupling,PE-RT, tee, coupling, flange,PP-R elbow,PP-R tee... PPR pipe ... construction materials. Compared with aluminum multiunit tubes, PP-R tubes can be made into tubular products ... more than 160mms in caliber. Shengtong PP-R tubular products and pipe fittings are widely used in such ... in gardens and parks and ranches, etc. welding Device With Centrator