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Custom Samples

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About Company

WNJ is a leading Custom Samples factory in China, is a global enterprise specialized in spring machines over 28 years, be a leader in the Chinese spring machinery in spring coiling machine, spring forming machine, spring grinding machine, spring temper furnace and other related equipment. The company is acknowledged as ONLY ONE new national technology enterprise of spring machinery industry in China, and devote ourselves to provide better product for customers CNC spring coiling machines and solution.  
The company has awarded as the only one national new technology enterprise in spring machinery industry, and also the main member of china spring association. 
-  Customer orientation is considered with customized solutions
-  Offer services to overseas customers with global agent
-  A powerful develop & design capability. Our own mould workshop enables the company to work on OEM/ODM projects easily
-  Over 200 skilled worker,50 technicians and one group of 20 engineers
-  Easy reconfiguration and adaptation to new production/manufacturing realities;
-  Main market: Europe, USA, Korea, Turkey, Argentina, Malaysia, Singapore, India, Japan, UK etc.
-   Imported Taiwan computer, Japan Sanyo Electric, Set up offices in many provinces in the country
-   Foreign agents throughout Asia, Europe, the Middle East, which can provide professional life after-sales service.

Latest News & Events

Building world class intelligent equipment brand in spring machine industry.

  • What is a temper furnace? What is its working principle?

    --16th Mar 2026

    What Is a Temper Furnace? A temper furnace is a type of industrial heat treatment furnace specifically designed to perform the tempering process on metals — most commonly hardened steel. Its core function is to reheat a previously quenched or hardened metal c...

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  • What is a spring bending machine? What is its working principle?

    --09th Mar 2026

    What Is a Spring Bending Machine? A Direct Answer A spring bending machine is a specialized piece of industrial equipment designed to bend, coil, and form wire or strip material into springs and spring-like components. It controls the shape, pitch, diameter, ...

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  • What is a grinding machine? What is its working principle?

    --02th Mar 2026

    What Is a Grinding Machine? A Direct Answer A grinding machine is a precision power tool or industrial machine that uses an abrasive wheel — or other abrasive cutting tool — to remove material from a workpiece by abrasion. The result is a finely finished surf...

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  • What is a spring grinding machine? What is its working principle?

    --23th Feb 2026

    Definition and Essential Purpose of a Spring Grinding Machine A spring grinding machine is a specialized industrial abrasive tool designed specifically to flatten the ends of helical compression springs. In the manufacturing world, springs that exit a coiling...

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