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Industrial Valves Built for Extreme Performance

Precision-engineered high-alloy valves for the most demanding environments in oil & gas, LNG, chemical processing, marine, and desalination.

1989
Founded
43,500㎡
Factory Area
30+
Years Experience
100+
Global Clients

About Valvemaker Factory

A Trusted Leader in High-Performance Industrial Valve Manufacturing Since 1989

Weidouli Valves Co., Ltd., operating as Valvemaker Factory, has been a professional manufacturer of industrial valves since 1989. Located in Wenzhou City, Zhejiang Province, our 43,500㎡ facility is equipped with advanced production and testing equipment to deliver valves that meet the highest international standards.

With a registered capital of 101.89 million RMB, we specialize in high-alloy valves made from titanium, zirconium, nickel, hastelloy, monel, inconel, duplex stainless steel, tantalum, and other corrosion-resistant materials. Our engineering team works closely with clients across industries to develop customized valve solutions for extreme operating conditions.

We are committed to innovation, quality, and reliability—ensuring every valve we produce performs flawlessly in critical applications worldwide.

Super Austenitic Valve Gate Valve Control Valve Globe Valve

Our Industrial Valves

Engineered for reliability, durability, and precision in the most challenging industrial environments.

Super Austenitic Stainless Steel Valves

Super Austenitic Stainless Steel Valves

Exceptional corrosion resistance in chloride-rich environments. Ideal for desalination and offshore applications.

Gate Valves

Gate Valves

Full-bore design for minimal pressure drop. Suitable for on/off service in oil & gas, LNG, and chemical plants.

Globe Valves

Globe Valves

Precise throttling control with tight shutoff. Used in process regulation and high-pressure systems.

Control Valves

Control Valves

Automated flow, pressure, and temperature regulation. Compatible with digital control systems.

Ball Valves

Ball Valves

Low torque operation with bubble-tight sealing. Available in floating and trunnion-mounted designs.

Butterfly Valves

Butterfly Valves

Compact, lightweight design for large-diameter pipelines. Excellent for water treatment and HVAC systems.

Plug Valves

Plug Valves

Simple, reliable quarter-turn operation. Ideal for slurry and abrasive media applications.

Check Valves

Check Valves

Prevents backflow in piping systems. Swing, lift, and dual-plate designs available.

Strainers

Strainers

Protects pumps, valves, and instrumentation from debris. Y-type and basket configurations.

Titanium Valves

Titanium Valves

Unmatched strength-to-density ratio and seawater corrosion resistance. Perfect for marine and desalination.

Hastelloy Valves

Hastelloy Valves

Resistant to oxidizing and reducing acids, pitting, and stress corrosion cracking. For aggressive chemical service.

Zirconium Valves

Zirconium Valves

Extreme resistance to caustic environments and hot acids. Used in nuclear, chemical, and pharmaceutical industries.

Advanced Valve Materials

We manufacture valves using the most corrosion-resistant and high-performance alloys available.

Titanium Valves

Lightweight, high strength, excellent seawater corrosion resistance.

Nickel Valves

High thermal and electrical conductivity, good corrosion resistance.

Monel Valves

Resistant to seawater, salt, and alkalis. Ideal for marine and chemical applications.

Hastelloy Valves

Exceptional resistance to pitting, stress corrosion cracking, and oxidizing atmospheres.

Inconel Valves

High strength at elevated temperatures. Resistant to oxidation and carburization.

Duplex Stainless Steel Valves

High strength and excellent resistance to chloride stress corrosion cracking.

Super Austenitic Stainless Steel Valves

Enhanced corrosion resistance due to high molybdenum and nitrogen content.

Zirconium Valves

Outstanding resistance to caustic environments and hot acids.

Tantalum Valves

Extremely resistant to corrosion by most acids, even at high temperatures.

Industries We Serve

Our valves are trusted in the most critical and demanding industrial applications worldwide.

Water Treatment

Corrosion-resistant valves for purification, filtration, and distribution systems.

Seawater Desalination

Titanium and super austenitic valves for reverse osmosis and brine handling.

Onshore Oil & Gas

Reliable valves for extraction, processing, and transportation infrastructure.

Offshore Oil & Gas

High-integrity valves designed for subsea and platform applications.

Liquefied Natural Gas

Cryogenic valves for LNG storage, transfer, and regasification.

Chemical Processing

Valves resistant to aggressive acids, alkalis, and solvents.

Marine

Durable valves for shipboard systems and offshore vessels.

Pulp & Paper

Valves for handling pulp, chemicals, and steam in paper mills.

Metallurgy

High-temperature and high-pressure valves for metal processing.

Why Choose Valvemaker Factory

35+
Years of Industry Experience
43,500
Square Meters of Manufacturing Space
100+
Global Clients Served
101.89M
RMB Registered Capital

Frequently Asked Questions

What materials do you use for your valves?

We manufacture valves using high-performance alloys including titanium, zirconium, nickel, hastelloy, monel, inconel, duplex stainless steel, super austenitic stainless steel, tantalum, and nickel aluminum bronze.

What industries do you serve?

Our valves are used in offshore and onshore oil & gas, LNG, seawater desalination, water treatment, chemical processing, pulp and paper, marine, and metallurgy industries.

Can you customize valves for specific applications?

Yes, we specialize in custom valve solutions. Our engineering team works closely with clients to develop valves that meet specific pressure, temperature, and corrosion requirements.

What certifications do your valves meet?

Our valves comply with international standards including API, ASME, ISO, and ANSI. We provide full material traceability and testing documentation.

Where is your factory located?

Our manufacturing facility is located at No.20, Xingyu Road, Airport Industrial Zone, Wenzhou City, Zhejiang Province, China.

Contact Valvemaker Factory

Get in touch with our engineering and sales team for technical support, quotes, and custom valve solutions.

Company: Weidouli Valves Co., Ltd. (Valvemaker Factory)
Address: No.20, Xingyu Road, Airport Industrial Zone, Wenzhou City, Zhejiang Province, China
Contact: Gerald Xia
Phone: 0086-577-86921659
Fax: 0086-577-86926789
Visit Official Website
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