... test equipment. Main products including PE water pipe, PPR pipes and fittings, PEX-AL-PEX, PE-RT, PE-X(b) floor ... Brass fitting, PE-RT Oxygen pipe, RPAP5 ,PVC-U, PE fittings and all kinds of pipeline products. We acquired ISO9001-2008 quality ... control system and ISO14001 environment control system certification and promise good quality for 50 years. NF ...