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About SIAN
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We are one of the leading valve 
brands in the world.


With more than 30 years’ experience of valve production and R&D, SIAN Valve focuses on LPG cylinder valves, industrial gas cylinder valves, CNG valves, medical gas valves, fire extinguisher valves,  etc., totally more than 300 varieties of valves and related accessories.


With an annual production of 20 million sets of valves, we are one of the leading valve brands in the world. Our sales network covers more than 50 countries and regions, such as: North America, Europe, South America, Africa, Middle East and Southeast Asia, etc. 

Professional valve manufacturer

We have set-up branches and R&D centers in United States and Europe. We provide our products and services to the top 6 Gas companies in the world.


Our factory has passed the certification of ISO9001 quality management system and ISO14001 environmental management system. 

We also have international certifications such as: CCS, CE, TPED, EN3, VDE, ECE-R110, NSEML (National Special Equipment Manufacturing License), etc.

 Corporate Mission: Committed to fluid control, creating a safe and livable environment for mankind

Jointly develop high-efficiency, energy-saving and environmentally friendly fluid control components with world-renowned manufacturers of fire fighting, special equipment, refrigeration and air conditioning, and jointly create a safe and livable environment for mankind.

Corporate Vision

To be a boutique enterprise

Core Values

Unity, Pragmatism, Efficiency, Innovation

Talent View

Talent is the source of value creation

Quality Concept

Quality is the embodiment of character, quality is the starting point of dignity

Quality Policy

People-oriented, Customer first, Continuous Improvement, Pursuit Of Quality
Continuous innovation and research

We have set-up branches and R&D centers in United States and Europe. We also have our national level R&D center in China, and we are participating in national projects, such as the National Torch Plan.

years’ experience
million sets of valves
varieties of valves
countries and regions
Production Workshop
SiAN committed to fluid control, creating a safe and livable enviroment for humans.



 +86 571 8768 0216
Factory Website: 
 19/F, Minghao Building, 1688 Binsheng Road, Binjiang District, Hangzhou, Zhejiang, China (Zip Code: 310052)
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