About Us

Company Profile

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Ningbo Yanchen Metal Manufacturing Co. Ltd.


Ningbo Yanchen Metal Manufacturing Co. Ltd. is a professional manufacturer of stainless steel composite tubes, integrating R&D, production, processing, and sales. Strategically located in Ningbo, a key port city in China, we leverage the logistics advantages of a world-class harbor to provide global customers with high-quality, cost-effective bimetal composite tube solutions.

With almost two decades of expertise in stainless steel composite welded tube manufacturing, we boast a professional technical team and a mature management system. Our products are strictly manufactured in compliance with major international standards such as China GB, U.S. ASTM, and Japan JIS, ensuring the reliable quality of every tube that leaves our factory.

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Our Core Advantages

Strong Production & R&D Capability

Independent Production Lines: We are equipped with multiple independently developed automatic production lines for stainless steel composite tubes and professional stainless steel welded tube production lines, ensuring full-process control from raw materials to finished products.

 

Complete Post-Processing: The factory is equipped with a full range of post-processing equipment, including sawing, flat-ending, tube shrinking, tube expanding, and bending, enabling us to provide highly customized processing services to meet diverse customer requirements for tube forming.

 

Flexible Production Capacity: We are capable of producing a wide range of specifications, with outer diameters ranging from Φ12.7mm to Φ63mm​ and wall thicknesses from 1T to 2.8T.
 

Superior Product Performance

Innovative Process: Our stainless steel composite tubes are produced using an advanced process where high-quality stainless steel and carbon steel are compounded through synchronous universal extrusion compositing. This proprietary metallurgical bonding technology ensures a firm bond between the two metal layers.

 

Dual Advantages: Our products combine the luxurious appearance and excellent corrosion resistance of stainless steel with the high strength, impact resistance, and superior structural support of carbon steel.


High Cost-Effectiveness: Compared to solid stainless steel tubes, our products significantly reduce material costs while maintaining excellent appearance and anti-corrosion properties, making them the perfect upgrade replacement for electroplated tubes, ordinary welded tubes, and similar products.
 

Extensive Application Fields

Our products are widely used in various industries, including but not limited to:

Tubes for Sports & Fitness Equipment、Tubes for Vehicle Parts、Tubes for Textile machinery

Tubes for Road Guardrails、Tubes for  Architectural Decoration

Tubes for Furniture Handles、Tubes for Kitchen & Bathroom Ware

Strict Quality Control

From raw material procurement to finished product delivery, we implement full-process quality monitoring. Our technical and management personnel possess extensive industry experience, with a profound understanding and rigorous execution of product manufacturing and quality control.

Our Mission

We adhere to the principle of "Serving the Global Market with Superior Quality" and persist in a brand-oriented development strategy. We firmly believe that integrity, premium products, and professional service are the cornerstones of winning customers' long-term trust and partnership. Ningbo Yanchen Metal Manufacturing Co., Ltd. sincerely welcomes all domestic and international clients to visit our factory and discuss business. Let's work together to create a win-win future!

System certification

Compliant with GB, ASTM, JIS, etc.

Level 1 Qualification for Information System Security Integration
Level 1 Qualification for Information System Security Integration
Level 1 Qualification for Information System Security Integration
Level 1 Qualification for Information System Security Integration
Level 1 Qualification for Information System Security Integration
Level 1 Qualification for Information System Security Integration

Leave a Message Online

If you are interested in our products, please leave us a message. We look forward to serving you!

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