Donsen is one of the professional manufacturer, specialized in producing plastic pipeline for water supply and irrigation systerm, which locates in Ningbo where is a developed and beautiful international port city.having more than 10 years experience in this filed, we got high reputation from our customer in the world , our main products are:PP-R pipes and fittings, pp-R ball valves, PP-R stop valves, PP-R fiberglass composite pipe, PPR-AL-PPR composite pipe, PP-R stabi pipe with aluminum, PEX, PE-RT floor heating pipes , PP compression fittings, HDPE fittings for water and gas supply, pipe fittings mould ect. most of our products are exported to international market, such as middle -East, Europe, South American, Asia ect.Depend on high quality and high efficiency, we got the certificate ISO-9001:2000 and ISO14001.warmly welcome the partners all over the world , our principle is cooperration , participation and pullulation together .Donsen will be your best choice!