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Zhejiang Dunyun Industrial Co.,Ltd

Zhejiang Dunyun Industrial Co., Ltd. is located at No. 1 Dunyun Road, Modern Environmental Protection Equipment Industrial Park, Zhuji City, the hometown of Xi Shi, in the Yangtze River Delta Economic Circle.

It is by the side of West Lake, adjacent to Xiaoshan Airport, running through the Zhejiang-Jiangxi Railway and the Hangzhou-Jinhua-Quzhou Expressway, and is situated in Diankou, the "Hometown of Hardware".

We mainly produce various copper valves such as "Dunyun" brand water supply systems, central air conditioning systems, heating systems, gas systems, special ball valves, gate valves, globe valves, temperature control valves, gas valves, exhaust valves, filters, underfloor heating water collectors, as well as new aluminum-plastic composite pipes, and other plumbing accessories.

Quality Assurance
Rich Product Variety
Support Customization
Professional Services

About Us

Call Us Now

+8613675763067

Popular Products

High-quality products, superb technology.

Combination Gas Valve
Gas automatic shut-off valve with built-in valve and pressure measurement hole Male/Female
Item number: DY636, DY636a
Product...
view more
Gas Safety Shut Off Valve
Gas automatic shut-off valve with control valve Female/Hose
Item Number : DY630
1.Standard: CJ/T 447-2014
2.Working Temperature: -10°C≤...
view more
Universal Gas Valve
Item number: 607-4
1.Nominal pressure:1.6Mpa
2.Working medium: Gas for civilian use, natural gas, LPG
3.Working temperature: -20°C≤ t...
view more
Auto Gas Cut Off Valve
Gas automatic shut-off valve with built-in valve and pressure measurement hole Male/Male
Item number: DY633a
1.Standard:CJ/T 447-2014...
view more
Natural Gas Ball Valve
601 natural gas ball valve
Item Number : DY601
1.Nominal pressure:1.6Mpa
2.Working medium: Gas for civilian use, natural gas, LPG ...
view more
Auto Natural Gas Shut Off Valve
Gas automatic shut-off valve with control valve Male/Male
Item Number :DY633
1.Standard: CJ/T 447-2014
2.Working Temperature: -10°C≤...
view more

Our Industry Services

Striving to build the "Dunyun" international brand.

One Stop Service

Providing high-quality product services and professional technical capabilities, taking the development of national brands as our responsibility, diligently pursuing our goals, steadily advancing.

Scientific Management

Having a professional technical team and management team.

Fine Art

Strengthen strengths, improve weaknesses, and further enhance product quality.

Innovation-driven Development

Continuously deepening, developing technology, and reaching new heights in technology.

Craftsman Quality

Continuously striving for excellence to ensure the quality of every product.

Our Product Advantages

Adhere to the management policy of "scientific management, fine craftsmanship, innovative development, and craftsmanship quality".

Quality

Continuously improving product quality control and management.

Delivery Time

We will quickly complete the transaction order while ensuring quality.

One Stop Service

We provide comprehensive pre-sales and after-sales services.

Guarantee

We have passed ISO9001 quality management system certification，as well as various product hygiene licenses.

Team

Recognized by the national laboratory, the testing center is well-equipped and has a large number of technical talents.

Integrated Design

Lowering the risk of leaks and improving overall sealing and safety.

Our Partners

The enterprise attaches great importance to product quality control and has established a quality management system led by the general manager, implementing comprehensive quality management.

The Choice You Can Rely On: A Professional Team

Use Our High-quality Anti Valve And Other Accessories.

Our History

The company was founded in 1999 and mainly manufactures various water ball valves, special gas copper ball valves, gas self-closing valves, stainless steel corrugated hoses for gas, metal-clad hoses for connecting gas appliances, aluminum-plastic composite pipes and fittings for gas, underfloor heating manifold, new aluminum-plastic composite pipes, PB pipes and fittings, PERT underfloor heating pipes, EVOH oxygen barrier pipes, polybutene PB pipes and fittings, PP-R pipes, directly-fused stable pipes and other plumbing accessories under the Dunyun brand for water supply systems, central air conditioning systems, heating systems and gas systems.

History

Our Certificate

The enterprise attaches great importance to the control of product quality, has established a quality management system led by the general manager, implements total quality management, and has passed the ISO9001 quality management system certification, ISO14001 environmental management system certification, ISO18001 occupational health and safety management system certification, as well as the hygiene licenses for various products. Currently, it has been recognized by the national laboratory, its testing center is fully equipped, and it has a large number of technical talents.

Certificate

Enterprise Honor

The company has been rated as a "National High-tech Enterprise", "Famous Brand Product of Zhejiang Province", "Famous Trademark of Zhejiang Province", "Well-known Trade Name of Zhejiang Province", "Demonstration Enterprise of Trademark Brand in Zhejiang Province", "AAA Enterprise with Good Contract Performance and Credit Standing by the Industry and Commerce Department of Zhejiang Province", "Demonstration Enterprise of Credit Management in Zhejiang Province", an enterprise with the "Quality Mark" of Zhejiang Manufacturing, "Famous Brand Product in China's Radiant Heating and Cooling Industry", "Demonstration Enterprise of the National Torch Program", "Specialized, Sophisticated, Unique and New Enterprise in Zhejiang Province", "Enterprise Technology Center of Zhejiang Province", "Provincial-level Enterprise Technology R&D Center", and has won the "Zhuji Municipal Government Quality Award". The laboratory invested and established by the company has been rated as a "National Accredited Laboratory".

Honor

News Center

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Jun 20, 2025

Common Faults And Preventive Measures Of Valves, Hazards Of Valve Failure

Jun 19, 2025

Daily Meticulous Maintenance And Upkeep Of Valves

Jun 18, 2025

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Jun 17, 2025

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Jun 16, 2025

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Jun 15, 2025

Key Points For Daily Maintenance Of Gas Equipment

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