OEM Precision Sheet Metal Fabrication at Dongji Ecosystem
Leveraging our 30,000m² facility and 15+ years of experience in OEM Precision Sheet Metal Fabrication, Dongji (a top 10 sheet metal fabricator in China) delivers specialized OEM Precision Sheet Metal services including precise cutting
Custom Solution
We transform abstract concepts into tangible, functional products tailored to your precise specifications, utilizing over 100 patents for innovation.
Prototyping & Validation
Fast-track sample creation allows for thorough validation before committing to mass production, ensuring Dongji quality standards are met.
Material & Thickness Mastery
Dongji possesses comprehensive material handling capabilities for OEM Precision Sheet Metal Fabrication. Our Industry 4.0 facility ensures every OEM Precision Sheet Metal part meets 0.1mm accuracy.
- • Stainless Steel (304, 316)
- • Carbon Steel (Cold/Hot Rolled)
- • Aluminum Alloys (5052, 6061)
- • Brass, Copper & Pre-galvanized
- • Plate Thickness: 0.1mm to 30.0mm
Our OEM Precision Sheet Metal Manufacturing Process
Managed by our **Digitized Dominance Delivery System (2026)**, every project follows a strict lifecycle for seamless execution, guaranteeing 100% functionality and perfect cosmetic finishing.
Technical Capability & Equipment Parameters
Fiber Laser Cutting
Mainly German Trumpf & Amada. Accuracy: +/- 0.05mm - 0.1mm. Processing range: < 3000mm x 1500mm.
CNC Bending
Amada & Trubend machines. Length range: up to 3200mm. Material thickness: up to 12.0mm. Accuracy: +/- 0.1mm - 0.3mm.
Robotic Welding
24/7 consistent production for TIG/MIG applications. Ensures strong, aesthetic seams for critical structures.
Surface Treatment
Professional powder coating line, painting, plating, anodizing, silk-screen printing. Corrosion resistance options available.
Specialized CNC
Including NCT Punching, Milling, and Turning. Material options: Al, Steel, SS, Brass, PC, ABS, POM.
Final Assembly
Full system integration including hardware installation, wiring, component mounting, and functional testing.
Tolerances
ISO 2768-m (general metal), ISO 2768-f (plastic/milling), DIN 2768 (machining). High precision on request.
Materials Range
Comprehensive: CRS, CRS plated (Zn/Sn/Ni), Aluminum (5000-7000 series), SS (304/316), Brass, Copper.
Why Global Brands Choose Dongji for OEM Metal
Unmatched Industry Experience
Over 14 years in business, specializing in smart equipment OEM. We have accumulated 100+ patents and are a top 10 fabricator in China.
Comprehensive Technical Solutions
From technical assessments and solution design to full mass production and assembly—our team of 10+ engineers ensures quality throughout the entire lifecycle.
State-of-the-Art Factory Scale
Dongji’s 30,000m² facility is equipped with German TRUMPF and AMADA fiber lasers, CNC bending machines, and a specialized surface treatment line. This ensures consistent, high-precision manufacturing for complex smart vending, lockers, and industrial equipment. Our quality management systems include ISO 9001, SGS, and 100% inspection.