Company Profile

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.


Now our products are widely used in areas such as municipal drainage, civil water supply, home decoration,garden irrigation and farm irrigation etc.

In order that thousands of families can use environmental  and high-quality pipe, Donsen uses fully-imported and high quality raw materials, in order to ensure products’ quality, Donsen imports international advanced PPR-AL-PPR equal-thickness wall composite  pipe production line, FR-PPR Fibreglass high-powered  composite  Pipe  production line, total are 8 PPR Pipe production lines, integrated feeding system, more than 70 injection machines and detection equipment. At the same time use machine instead of manual operation to be more secure, more precise and more professional. In order to guarantee 100% excellent quality, Donsen strictly set 3 check points in inspection and qualiy control, raw material inspection, process inspection, and product inspection to all products to make sure the perfection of the products.

The company covers area of more than 40000 square meters, has more than 400 employees and a group of outstanding technical backbone personnel management. The company headquarters (A factory) mainly produce PPR pipe fitting, B factory mainly produce C – PVC products and all kinds of valves. C factory mainly produce PP compression fittings and other fittings products. There are special mold factory is responsible for the production of various kinds of plastic fittings moulds.

Depend on high quality and high efficiency, we got the certificate ISO9001:2000 and ISO14001, WRAS certificate from England and GOST certificate from Russia、NSF、UL、CE and so on. Our product are exported to more than 60 countries, such as Venezuela, Russia, Ukraine, France, Italy, Middle East, etc. Donsen warmly welcome the partners all over the world, our principle is cooperation, participation and pullulation together! Looking for sole agent from all over the world!