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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 fileld,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,pipefittings mould etc.Most of our products are exported to international market,such as Middle East,Europe,South American,Asia etc.Depend on high quality and high efficiency,we got the certificate ISO9001:2000 and ISO 14001.