Donsen was established in 1996, which locates in NINGBO where is a developed and beautiful international port city. Having more than 10 year’s experience in this field, we are one of the most professional manufacturers specialized in producting plastic pipeline for water supply and irrigation system.

Our main products are PP-R pipes and fittings, PP compression fittings, C-PVC pipes and fittings, U-PVC pipes and fittings, PE-RT floor heating pipes, plastic moulds and all kinds of plastic valves. For examples: PVC valve , PPR valve, C-PVC valve, BRASS valve.