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  • Standard Flange
  • Non-standard Flange
  • Tube Sheet
  • Threaded Fittings
  • Weld Fittings
  • Sight Glass
  • Manhole
  • Ball Valve
  • Gate Valve
  • Butterfly Valve

Our products are distributed all over the world

Consultation Hotline： +8618858822067

Low-Carbon

Eco-Friendly

High-Performance

WHY CHOOSE US
Our Advantages
  • Cooperation Experience

    We have established global business partnerships and a well-developed operational network.

  • Technical Support

    We provide professional customization services for diverse needs, having served over a thousand enterprises.

  • International Certification

    Our products are certified under global quality systems including ISO 9001, CE/PED, and API.

  • Environmental Compliance

    We comply with RoHS/REACH standards and ensure heavy-metal-free surface treatments.

  • Technological Innovation

    We continuously invest in R&D, possessing core technology patents and independent technical reserves.

  • After-Sales Service

    Customer-first, attentive service, rapid support, and unwavering commitment.

About Us
Zhejiang LeWeiKe Flange Manufacturing Co., Ltd

Zhejiang LeWeiKe Flange Manufacturing Co., Ltd. is a professional supplier specializing in the R&D, manufacturing, and service of core components for industrial pipeline connection systems. We focus deeply on flanges, tube sheets, pipe fittings, and valves, committed to providing safe, reliable, and high-performance connection solutions for critical global industries such as energy and chemical, power generation, shipbuilding, offshore engineering equipment, and machinery.Since our establishment, we have always upheld the core philosophy of "Quality Buil...

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  • 2000+

    Global Customers

  • 200+

    Engineering Projects

  • 40+

    Patented Technologies

  • 24×7

    24*7 Hour Service

Application
Shipbuilding industry: The key to corrosion resistance and anti-vibration connections in marine environments.
Shipbuilding industry: The key to corrosion resistance and anti-vibration connections in marine environments.
Water conservancy industry: ensuring structural reliability and durability in high-flow transportation.
Water conservancy industry: ensuring structural reliability and durability in high-flow transportation.
Power industry: The backbone of strength and stability under high temperature and high pressure conditions.
Power industry: The backbone of strength and stability under high temperature and high pressure conditions.
Chemical industry: corrosion resistance and sealing solutions in multi-media environments.
Chemical industry: corrosion resistance and sealing solutions in multi-media environments.
Petroleum industry: reliable connection guarantee under harsh working conditions.
Petroleum industry: reliable connection guarantee under harsh working conditions.
Honors and Qualifications
News and Information
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The intelligent flange condition monitoring system based on the Internet of Things has entered the testing phase.
2026-01-17

The intelligent flange condition monitoring system based on the Internet of Things has entered the testing phase.

The concept of "smart flange" integrating micro sensors and wireless transmission technology is moving towards practical application. The research tea...

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2026-01-17

Local enhanced heat treatment process improves the fatigue life of large flanges.

For flanges used in wind power and marine engineering that bear cyclic loads, the fatigue strength of their neck and weld areas is crucial. The latest...

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2026-01-17

How does flange material cope with challenges posed by different working conditions.

The performance and lifespan of a flange are largely determined by its material. The choice of material must be compatible with the medium being trans...

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2026-01-17

Topology optimization technology aids in reducing weight and enhancing efficiency of flanges.

Structures through finite element analysis and topology optimization techniques has emerged as a new...

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2026-01-17

The company's new material laboratory has been officially put into use.

To strengthen its cutting-edge technology reserves and ability to respond to personalized demands, t...

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2026-01-17

Demand for high-quality flange fittings continues to grow.

With the increasing emphasis on energy security and green transformation by various countries, infra...

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