Precision CNC Machining &
Metal Fabrication

Professional manufacturer of Turning Parts, Milling Parts, Sheet Metal, Welding Assemblies, and EDM Components. Trusted by global industries for high-precision, reliable, and scalable machining solutions from China.

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200+

Skilled Team Members

5+

Years Average Experience

Global

Exports to 30+ Countries

About CHANG SHENG

Dongguan Changsheng Technology Co., Ltd is a professional company specializing in the design, manufacture, and assembly services of precision hardware machinery parts, molds, jigs, fixtures, and automation equipment.

Located in A4, Huazhi Branch Creation Park, Hongnan Road, Daokou Town, Dongguan City, Guangdong Province, China, we leverage advanced manufacturing and inspection technologies to deliver consistent quality and on-time delivery.

ISO-Certified Manufacturing
24/7 Customer Support
On-Time Delivery Guarantee

Why Choose DGCS Machining

We combine advanced technology, skilled workforce, and rigorous quality control to deliver unmatched value.

Elite Team

200+ production team members with over 5 years of precision manufacturing experience.

24/7 Support

Dedicated customer service available around the clock to assist with inquiries and orders.

Advanced Equipment

Five-axis machining centers, CNC lathes, EDM, and automated sheet metal lines.

Precision Testing

Imported CMMs, projectors, hardness testers, and microscopes ensure quality control.

Our Product Range

High-precision components for aerospace, automotive, medical, and industrial applications.

CNC Turning Parts

Precision aluminum and steel turned components with tight tolerances (±0.005mm).

Materials: Aluminum, Stainless Steel, Brass, Titanium
Processes: CNC Lathe, Swiss-type, Multi-axis
Surface Treatments: Anodizing, Plating, Passivation

Milling Parts

Complex 3D geometries with high surface finish and repeatability.

3-axis, 4-axis, and 5-axis CNC milling
Tolerance: ±0.01mm
Applications: Enclosures, Brackets, Fixtures

Sheet Metal Parts

Laser cutting, bending, welding, and assembly for enclosures and chassis.

Materials: Steel, Aluminum, Stainless Steel
Thickness: 0.5mm – 6mm
Finishes: Powder Coating, Anodizing, Painting

Welding Assemblies

TIG, MIG, and spot welding for structural and precision assemblies.

Robotic and manual welding
Full QA documentation
Prototypes to mass production

EDM Parts

Wire and sinker EDM for intricate cavities and hard materials.

Accuracy: ±0.002mm
Materials: Hardened Steel, Carbide
Used in molds, dies, and tooling

Surface Treatment

Enhance durability, corrosion resistance, and appearance.

Nickel Plating, Black Oxide, Anodizing
Passivation, Zinc Plating
Custom finishes available

CNC Machining Prototype

Rapid prototyping with full production scalability.

Turnaround: 3–7 days
Materials: Plastic, Aluminum, Steel
Support for design validation

Precision Turning

High-speed, high-accuracy turning for shafts, pins, and bushings.

Diameter: 1mm – 150mm
Length: Up to 500mm
Automated bar feeding for efficiency

View All 80+ Products

Our Capabilities

Advanced Manufacturing

• 5-Axis CNC Machining: Complex geometries with single-setup efficiency.
• EDM Technology: Wire and sinker EDM for hardened and intricate parts.
• Sheet Metal Fabrication: Laser cutting, CNC bending, welding, and assembly.
• Automation Integration: Custom jigs, fixtures, and robotic cells.

Quality Assurance

• Inspection Equipment: CMM, optical comparators, hardness testers.
• Process Control: SPC, first-article inspection, PPAP documentation.
• Traceability: Full material and process tracking for every batch.
• Compliance: Meets ISO and international industry standards.

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Precision CNC Machining & Metal Fabrication