Dunyun Products

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Years Professional Production Experience


About Dunyun

Company Profile

Founded in 1999, Zhejiang Dunyun Industrial Co., Ltd. mainly produces various water supply systems, central air conditioning systems, heating systems, gas systems, special ball valves, gate valves, globe valves, temperature control valves, gas valves, exhaust Gas valves, filters, floor heating sub-catchment and other copper valves and new aluminum-plastic composite pipes, PP-R pipe fittings, direct-melting steady-state pipes, PB pipe fittings, PERT floor heating pipes, EVOH oxygen barrier pipes, stainless steel gas Bellows, stainless steel bellows for water and other plumbing accessories.

In 1999

In 1999

Mr. Feng Yuliang founded Zhejiang Xingguang Machinery Co., Ltd. inn a small family workshop on Chengzhong Road, Diankou Town, Zhuji City, which is engaged in the processing and sales of motorcycle accessories and hardware accessories.

In 2008

In 2008

Zhejiang Dunyun Industrial Co., Ltd. was established at No. 58 Yandong Road, Diankou Town, Zhuji City, covering an area of 13,000 square meters.



  • Obtained ISO9001 quality system certification

  • Obtained ISO14001 Environmental Management System Certification

  • Obtained OHSAS 18001 occupational health and safety management system certification

  • Obtained 3 invention patents

  • Obtained 85 utility model patents

  • More than 100 design patents



  • Obtained EU CE certification

  • Won the Zhuji Science and Technology Award

  • Won the "Provincial High-tech Enterprise Research and Development Center"

  • Won the "National Torch Program Industrialization Demonstration Project"

  • Obtained the "Special Equipment Manufacturing License of the People's Republic of China"

In 2013

In 2013

  • The factory was established in Dunyun District 2, Jiefanghu Industrial Park, Diankou Town, Zhuji City, covering an area of 20,000 square meters

  • Rated as "Shaoxing Famous Brand Product"

  • Rated as "Shaoxing Famous Trademark"



  • Rated as "National High-tech Enterprise"

  • Obtained the "Famous Brand Product Certificate in Radiant Heating and Cooling Industry"

  • Became a member of China City Gas Association

  • National Engineering Construction Recommended Products

  • Rated as "National Quality Integrity Benchmark Typical Enterprise"



  • Rated as "Famous Trade Name in Zhejiang Province"

  • Rated as "Zhejiang Province Abiding by Contracts and Valuing Credit Units"

  • Rated as "Zhejiang Famous Brand Product"

  • Shaoxing City Integrity and Law-abiding Demonstration Enterprise

In 2018

In 2018

  • The third-phase factory on Dunyun, No. 1, Dunyun Road, Diankou Town, Zhuji City was established, covering an area of 40,000 square meters and a construction area of 55,000 square meters, with an annual production capacity of 600 million yuan.

  • Rated as a nationally recognized laboratory

In 2019

In 2019

  • Rated as "Zhejiang Province Trademark Brand Demonstration Enterprise"

  • Rated as "Zhejiang AAA-level contract-abiding and credit-worthy unit"

In 2020

In 2020

  • Rated as "Top 500 Chinese Building Materials Enterprises"

  • Dunyun products have been exported to 28 countries and regions by the end of 2019

Brand News / Care

Enterprise News Industry News

We promise to exceed customer expectations

Our company supplies all kinds of copper valves and new types of ball valves, gate valves, globe valves, temperature control valves, gas valves, exhaust valves, filters, floor heating sub-collectors, etc. Aluminum-plastic composite pipe, stainless steel gas bellows, aluminum-plastic pipe, PB pipe fittings, PERT floor heating pipe, EVOH oxygen barrier pipe, polybutene PB pipe fittings, PP-R pipe, direct-melting steady-state pipe and other plumbing accessories.

Our Service Aim / Trust

Dunyun provides users with thoughtful and meticulous after-sales service. Our professional service personnel provide one-to-one intimate tracking service and answer customers' questions in a timely manner, so that our customers can buy and use with confidence. One choice, lifetime benefit.