Quality + Precision with Added Value. Your trusted OEM/ODM manufacturer with over 25 years of experience delivering high-precision metal machining & plastic solutions worldwide.

Q: How to work with SIGMA Hardware Taiwan on custom plastic injection molded parts?
A:
We specialize in plastic injection molding for industries including consumer electronics, home appliances, automotive, medical, and communication sectors.
To get started:
Please send us your 2D or 3D drawing files (e.g., STEP, IGES, PDF),
Your drawings should include:
Material specifications (e.g., ABS, PC, PA)
Dimensions and tolerances
Surface finish requirements (e.g., painting, plating, polishing)
Estimated production quantity
After receiving your information, we’ll provide a quote, process suggestions, and lead time. We also assist with international shipping comparisons and logistics support.
Q: How to work with SIGMA Hardware Taiwan on custom metal stamped parts?
A:
We offer custom metal stamping services for components used in automotive, mechanical, and electronic applications.
To begin:
Send us complete 2D or 3D drawings, specifying:
Material (e.g., stainless steel, aluminum, iron, copper)
Tolerance and dimension details
Surface treatments (e.g., galvanizing, powder coating)
Estimated production volume
We will provide accurate pricing and samples based on your needs, with global shipping support available.
Q: How to work with SIGMA Hardware Taiwan on custom aluminum or zinc die casting parts?
A:
We are experienced in custom aluminum and zinc die casting, serving industries like Furniture, Kitchenware Appliances, Automotive, and Mechanical Enclosures...etc.
To proceed:
Send us your 2D or 3D CAD files
Include material specs (e.g., ADC12, Zamak)
Provide detailed dimensions and tolerances
Indicate surface finish requirements (e.g., sandblasting, anodizing, painting)
Mention estimated production quantity
We will offer full quoting and technical advice, including export logistics support.
Q: How to work with SIGMA Hardware Taiwan on precision CNC turned parts?
A:
We provide precision CNC turning and milling services for materials including stainless steel, copper, brass, aluminum, and iron. Applications include electronics, medical devices, bicycles, plumbing hardware, plumbing fixtures and fittings and aerospace parts.
Please send:
Your 2D/3D CAD files
Including:
Material and hardness requirements
Detailed dimensions and geometric tolerances
Surface finish (e.g., polishing, nickel plating, anodizing)
Estimated production quantity
We will evaluate the feasibility and quote accordingly. International shipping support is available upon request.
Q: When should I choose cold forging versus 5-axis or 6-axis CNC machining for precision parts?
A:
Choosing between cold forging and 5-axis or 6-axis CNC turning-milling depends on factors like part geometry, production volume, material, and precision requirements.
🔩 Cold Forging
When to use:
High-volume production (hundreds of thousands to millions)
Simple, symmetrical parts like screws, shafts, fasteners
Suitable for ductile materials (e.g., low carbon steel, aluminum, copper)
Advantages:
Very low cost per part, Excellent material utilization, High strength due to work hardening, Fast production cycles
Disadvantages:
High initial mold/tooling cost, Limited to simpler geometries, Less control over tight tolerances
⚙️ 5-axis / 6-axis CNC Turning-Milling
When to use:
Complex geometries, multi-angle features, freeform surfaces
Small-to-medium batch production
High-precision components (e.g., ±0.01mm)
Common in medical, aerospace, robotics, electronics
Advantages:
Handles complex parts in one setup, No mold cost; ideal for customization, Compatible with various metals (e.g., stainless steel, aluminum, copper), High dimensional accuracy and surface finish
Disadvantages:
Higher cost per part for low volumes, Longer cycle time for intricate designs, Expensive machines and upkeep
Recommendation:
Choose cold forging for high-volume, simple parts
Choose CNC multi-axis machining for low-volume or complex precision parts
SIGMA Hardware Taiwan is capable of providing both manufacturing solutions depending on your project requirements.
At SIGMA HARDWARE, we handle the entire Stamping molding process under one roof. Our facilities include advanced mold design, engineering, production, and quality control departments. This vertical integration enables us to maintain tight quality control while reducing lead times and production costs.
