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Credit Rating Certificate

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Model Unit for Honest Business Practices

Model Unit for Honest Business Practices

Trusted Supplier

Trusted Supplier

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Management system

Fengze has consistently invested over 5% of its annual sales revenue in R&D, mastering and owning comprehensive expansion joint technologies and manufacturing capabilities across coal-fired power, gas turbines, waste-to-energy, offshore oil platforms, and other fields. The company has accumulated over 30 national authorized patents (including inventions). Its products have passed two scientific and technological achievement appraisals—one by the Chinese Society for Electrical Engineering (CSEE) and one by the China Machinery Industry Federation (CMIF). With deep technical expertise built on years of accumulated strength, Fengze continues to provide customers with superior technical support and service applications.

Quality Management System Certification
Quality Management System Certification
Environmental Management System Certification
Environmental Management System Certification
Occupational Health and Safety Management System Certification
Occupational Health and Safety Management System Certification
CE
Intellectual Property Management System Certification
2024 – Five-Star After-Sales Service Certification

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Trademark Registration Certificate
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Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate
Trademark Registration Certificate

Computer Software Works

Computer Software Works

A expansion joint for the slag discharge pipe of a circulating fluidized-bed slag cooler.

A expansion joint for the slag discharge pipe of a circulating fluidized-bed slag cooler.

A novel non-metallic expansion joint at the furnace outlet of a CFB boiler

A novel non-metallic expansion joint at the furnace outlet of a CFB boiler

A type of non-metallic expansion joint

A type of non-metallic expansion joint

A brand-new non-metallic expansion joint for heavy-duty gas turbines

A brand-new non-metallic expansion joint for heavy-duty gas turbines

A novel non-metallic expansion joint for the furnace chamber of a material-return device.

A novel non-metallic expansion joint for the furnace chamber of a material-return device.

A brand-new non-metallic expansion joint for high-grade gas turbine exports.

A brand-new non-metallic expansion joint for high-grade gas turbine exports.

An improved high-temperature non-metallic expansion joint for fluidized-bed boilers

An improved high-temperature non-metallic expansion joint for fluidized-bed boilers

A novel water-cooled slag discharge pipe for fluidized-bed boilers

A novel water-cooled slag discharge pipe for fluidized-bed boilers

High-Temperature Expansion Joint Fish-Scale Flow-Deflecting Plate Assembly

High-Temperature Expansion Joint Fish-Scale Flow-Deflecting Plate Assembly

A non-metallic expansion joint with a water‑blocking device

A non-metallic expansion joint with a water‑blocking device

An improved thermal insulation device for non-metallic expansion joints in gas turbines

An improved thermal insulation device for non-metallic expansion joints in gas turbines

Some new-type boiler furnace‑exit nonmetallic expansion joints

Some new-type boiler furnace‑exit nonmetallic expansion joints

A combined retaining ring assembly for non-metallic expansion joints in heavy-duty gas turbines.

A combined retaining ring assembly for non-metallic expansion joints in heavy-duty gas turbines.

A pre‑pad assembly for non‑metallic expansion joints in heavy‑duty gas turbines

A pre‑pad assembly for non‑metallic expansion joints in heavy‑duty gas turbines

A combined protective ring for non-metallic expansion joints in heavy-duty gas turbines.

A combined protective ring for non-metallic expansion joints in heavy-duty gas turbines.