Dongzheng CNC Spring Machines: 22 Years of Precision

For over two decades, Dongzheng Spring Machinery has been helping manufacturers worldwide produce springs with greater speed, accuracy, and reliability. Founded in 2004.

Why Manufacturers Choose Dongzheng

With 22 years of focused experience, the company understands how spring production works on the factory floor. Every machine is engineered to deliver consistent quality, reduce downtime, and lower the cost per part.

Key strengths:

• 22 years of manufacturing experience since 2004

• 150+ units installed worldwide

• Strong presence in Vietnam, Brazil, Indonesia, and South Korea

The Flagship Model: HSM-CNC20

The HSM-CNC20 is Dongzheng's most proven and widely adopted model, with more than 100 units operating in factories around the world.

Machine specifications:

Feature	Specification
Model	HSM-CNC20
Wire Diameter Range	0.2 to 4.0 mm
Global Installed Base	100+ units

Real Results: Customer Case from Vietnam

Results achieved after installation:

• Output increased by 35% compared to his previous equipment

• Spring tolerances held consistently at ±0.01 mm

Final Thoughts

Dongzheng Spring Machinery has spent 22 years refining its CNC spring forming machines to meet the needs of real manufacturers.