Industrial Valve Manufacturer
You Can Rely On
Zhengmao Valve Co., Ltd., founded in 1992 and located in Yongjia, Wenzhou, China, is a National High-Tech Enterprise specializing in the R&D and manufacturing of industrial valves. With a registered capital of RMB 100 million and over 30 years of experience, the company operates three production bases covering 78,600㎡, supporting integrated casting, machining, and testing processes for industrial valve production.
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WHY
CHOOSE US
We work directly for our clients and put client’s interests first. Innovation Guides Us As Always
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Strict Quality & Certification SystemCertified with ISO9001:2015 and TS A-level production license, ensuring compliance with industrial safety and quality standards.
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International Standards ComplianceProducts meet API, ISO, CE, and EAC requirements, supporting global EPC projects and international procurement needs.
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Advanced Testing FacilitiesEquipped with high/low temperature, high-pressure, leakage, and material performance testing to simulate real operating conditions.
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Strong Technical Engineering Team510 employees, including 54 senior/intermediate engineers and 136 technical staff, provide strong R&D and technical support.
PRODUCTSCATEGORIES
Application Areas
Our products are widely used in oil & gas, petrochemical processing, power generation, and industrial pipeline systems.
Our hot sale products
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![Metal-Seated High-Performance Butterfly Valve]( "Metal-Seated High-Performance Butterfly Valve")
Metal-Seated High-Performance Butterfly ValveThe Metal-Seated High-Performance Butterfly Valve provides bi-directional tight shut-off and continuous throttling in elevated temperature and high-pressure
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![Bidirectional High-Performance Butterfly Valve]( "Bidirectional High-Performance Butterfly Valve")
Bidirectional High-Performance Butterfly ValveThe Bidirectional High-Performance Butterfly Valve incorporates a double-offset eccentric shaft and an energized seat dynamic seal, delivering tight shut-off
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![Lug-Type High-Performance Butterfly Valve]( "Lug-Type High-Performance Butterfly Valve")
Lug-Type High-Performance Butterfly ValveThe Lug-Type High-Performance Butterfly Valve incorporates a double-offset eccentric structure to provide bi-directional tight shut-off and precise throttling
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![Wafer High-Performance Butterfly Valve]( "Wafer High-Performance Butterfly Valve")
Wafer High-Performance Butterfly ValveUtilizing a double-offset eccentric disk placement, the Wafer High-Performance Butterfly Valve provides bidirectional zero-leakage isolation and precise
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![Double-Flanged High-Performance Butterfly Valve]( "Double-Flanged High-Performance Butterfly Valve")
Double-Flanged High-Performance Butterfly ValveThe Double-Flanged High-Performance Butterfly Valve incorporates a double-offset eccentric shaft and heavy-duty cast flanged body. Designed for high-pressure
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![Double-Eccentric High-Performance Butterfly Valve]( "Double-Eccentric High-Performance Butterfly Valve")
Double-Eccentric High-Performance Butterfly ValveThe Double-Eccentric High-Performance Butterfly Valve provides bi-directional shut-off and liquid regulation under high-pressure process conditions. The offset
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![Metal-Seated Butterfly Valve For Vacuum Service]( "Metal-Seated Butterfly Valve For Vacuum Service")
Metal-Seated Butterfly Valve For Vacuum ServiceThe Metal-Seated Butterfly Valve for Vacuum Service delivers zero-leakage bidirectional isolation for sub-atmospheric and high-vacuum applications operating
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![Double-Offset Metal-Seated Butterfly Valve]( "Double-Offset Metal-Seated Butterfly Valve")
Double-Offset Metal-Seated Butterfly ValveThe Double-Offset Metal-Seated Butterfly Valve uses a shaft axis offset from both the seat seal and pipe centerline. This mechanical offset lifts the disc
Latest news and events
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![TOP 10 Industrial Globe Valve Manufacturers in China 2026]()
May 05, 2026TOP 10 Industrial Globe Valve Manufacturers in China 2026The global industrial flow control market continues to experience a structural shift toward high-performance, precision-engineered components capable of endu...view more -
![TOP 10 High-Performance Triple Offset Butterfly Valve Manufacturers in China 2026]()
May 04, 2026TOP 10 High-Performance Triple Offset Butterfly Valve Manufacturers in China 2026The global industrial landscape in 2026 demands unprecedented levels of reliability, zero-leakage isolation, and extreme temperature tolerance in fluid contr...view more -
![TOP 10 Globe Valve Manufacturers in The World 2026]()
May 03, 2026TOP 10 Globe Valve Manufacturers in The World 2026The global industrial landscape relies heavily on robust fluid control mechanisms to maintain the integrity, safety, and efficiency of high-pressure pipelines.view more
