About Unionfab
Our material library spans engineering plastics, high-performance resins, and industrial-grade metals including stainless steel (316L, 17-4PH), aluminum alloys (AlSi10Mg, Al6061, Al901X), titanium (TC4), and Inconel (625, 718), as well as CNC materials such as aluminum alloys (6061-T6, 7075), tool steels (A2, D2, H13, P20), and engineering plastics (POM, nylon, PC, PMMA, ABS, PEEK). We also provide end-to-end engineering support including DFM consultation, digital quality inspection, and a 24/7 automated quoting and order tracking.
With a <0.5% quality complaint rate, >95% on-time delivery, and certifications including ISO 9001, ISO 13485, ISO 14001, and IATF 16949, we deliver prototype-to-production services at competitive cost with industrial-grade quality.
Our Products
View All Products →
Rapid Casting Service
Model: Rapid Casting
Parameters: Tolerance: ISO 8062-3 (Default)
Surface Roughness (Ra): As-cast: Ra 1.6 – 6.3 µm
Max Part Size: Varies by casting process
Lead time: as fast as 10 days
Sheet Metal Fabrication Service
Model: Sheet Metal Fabrication
Parameters: Tolerance: ISO 2768-m (Default)
Surface Roughness (Ra): As-fabricated: Ra 3.2 µm
Max Part Size: Up to 1000 × 1200 mm
Lead time: as fast as 3 days
Injection Molding Service
Model: Injection Molding
Parameters: Tolerance: ISO 20457 (Default)
Surface Roughness (Ra): Depends on mold finish
Max Part Size: Up to 1436 × 960 × 223 mm
Lead time: as fast as 10 days
Vacuum Casting Service
Model: Vacuum Casting
Parameters: Tolerance: ±0.2%/mm (lower limit of ±0.2 mm)
Surface Roughness (Ra): As-cast: Ra 1.6 – 6.3 μm
Max Part Size: Up to 1500 × 1000 mm
Lead time: 7 – 10 days
3D Printing Service, Additive Manufacturing Service
Model: 3D Printing
Parameters: Facilities: 6 self-owned factories, 1000+ industrial 3D printers (including 6-laser systems)
Tolerance: Plastics ±0.2%~0.3%/mm (min ±0.1mm), Metals ±0.2%~0.4%/mm (min ±0.2mm)
Surface Roughness (Ra): 1.6 - 12.7 µm
Max Part Size: 2100×700×800 mm (SLA)
Lead Time: Fast turnaround from 1 day
Custom Manufacturing Service, Rapid Prototyping and Manufacturing Services, Low-volume Manufacturing Service, High-volume Manufacturing Service, CNC Machining Service, Precision CNC Machining Service
Model: CNC
Parameters: Tolerance: ±0.0002" (±0.005mm), in accordance with ISO 2768
Surface Roughness (Ra): Up to 16uin (0.4µm)
Max Part Size: 4000×1500×600 mm
Min Part Size: 2×2×2 mm
Lead Time: 1 to 5 days
Company Gallery
Certifications & Awards
Success Stories & Case Studies
Precision CNC Machine Tool Manufacturer / Medical Device OEM
Eliminates drivetrain noise and vibration by ensuring perfect coaxial alignment between the motor pilot and the transmission shaft
Applied reverse dimension compensation in CAM programming before anodizing to prevent thread seizure; manual Go/No-Go gauging and physical assembly simulation before shipment
Intelligent Robotics Developer / Aerospace R&D Institute
Reduced total robot arm weight by 35% while maintaining extreme joint torsional rigidity during rapid synchronized movements
Multi-axis hole true position strictly held to ±0.0005" (±0.0127mm); flawless 1.5mm thin-wall milling from Aluminum 7075-T6 verified by a full CMM inspection report
Industrial Automation Integrator / Custom Machinery Manufacturer
Achieved zero vibration displacement on the assembly line, ensuring seamless 24/7 automated production with zero downtime
1-piece prototype with no MOQ delivered in 48 hours; overall flatness controlled within 0.05mm using modular quick-change tooling
Company & Product Videos
Company Introduction & Factory Tour
⏱ Duration: 3:45 | 👁 Views: 15,230
Product Demonstration - Kestrel K-1
⏱ Duration: 5:12 | 👁 Views: 28,450
Technology Innovation Showcase
⏱ Duration: 4:30 | 👁 Views: 12,890
Customer Testimonials & Success Stories
⏱ Duration: 6:20 | 👁 Views: 9,650
Ready to Transform Your Life?
Contact us immediately to learn how our products meet your needs.