A complete, vertically integrated contract manufacturing service for custom sheet metal battery boxes and enclosures.
We partner with OEMs to provide a seamless solution from raw material to finished, assembled product.
Our 30,000m² facility houses a full suite of advanced fabrication equipment, enabling us to serve as a one-stop shop for your high-volume production needs.
Material :
Carbon Steel, Stainless Steel, Aluminum Alloy, BrassThickness :
0.5mm to 30mm, depending on the material (e.g., brass up to 12mm)Surface Treatment :
Automated Powder Coating (C4/C5 corrosion level), Electrophoresis, Electroplating, Sandblasting, Shot Blasting, Silkscreen PrintingProcess Involved :
Laser Cutting, CNC Punching , CNC Bending, Automated Robotic Welding (Laser, Resistance, etc.), Riveting and Final AssemblyProduct Overview
This is a fully customizable sheet metal PACK enclosure designed for a wide range of high-performance applications, from industrial power systems to telecommunications equipment. At Xiamen Huapusheng, we specialize in transforming raw sheet metal into complex, finished assemblies. Our production floor is equipped with world-class machinery, including Trumpf CNC punch presses and laser cutters and AMADA bending machines, operated by a skilled team of over 200 professionals.

Key Features & Advantages
✨ One-Stop Solution: We offer a complete manufacturing process under one roof, including CNC punching, cutting, bending, welding, finishing, and assembly .
✨ Scalable Production: With over 200 employees and advanced systems like SAP/ERP, we are equipped for high-volume OEM production runs.
✨ Comprehensive Equipment Fleet: Our facility includes 6 CNC punch presses, 4 laser cutters, 20 CNC bending machines, 13 automated welding robots, and a 515m automated coating line, ensuring capacity and capability.
✨ Full Assembly Services: Beyond fabrication, we perform final assembly, including riveting, sealant application, and silk screening to deliver a complete, ready-to-integrate product.
✨ Robotic Welding Excellence: Our use of Yaskawa, Panasonic, and FANUC welding robots ensures flawless, high-strength welds for ultimate durability and repeatability.
✨ Proven Supply Chain Partner: We are an established supplier for global leaders in the power and energy sector, including CATL, ABB, and Schneider Electric.
Product Specifications
| Product Name | Precision Industrial PACK Enclosure |
| Material Options | Carbon Steel, Stainless Steel, Aluminum Alloy (up to 30mm) |
| Max Bending Length | 4250mm with 230 - ton capacity |
| Processing Accuracy | ±0.1mm |
| Key Equipment | Trumpf TruPunch 5000, AMADA LCG Laser Cutters, Trumpf TruBend Bending Machines, Yaskawa Robotic Welders |
| Welding Technology | Robotic CO₂, Laser, Resistance, Argon Arc, Spot Welding |
| Surface Finishes | High - durability powder coating (epoxy & polyester), shot blasting, sand blasting, silkscreening |
| Quality Certifications | ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, Safety Production Standardization |
| In-House Testing | 3D Scanning, Salt Spray, Universal Tensile Testing, Hardness Testing, Water Jet Testing |
Applications
Manufacturing & Quality Assurance
All products are manufactured in our 30,000㎡ sheet metal facility equipped with advanced CNC punching, AMADA fiber laser cutting, automated welding robots, and automatic powder coating lines. Strict quality control is implemented under ISO9001 and ISO14001 management systems.
Company Strength
Xiamen Huapusheng Sheet Metal Manufacturing Co., Ltd. specializes in power control equipment and precision sheet metal fabrication. With 200+ employees, 36 engineers, and 32 patents, we serve global clients in the power, communication, and industrial sectors.

Customer Cases
We are a trusted OEM partner for global leaders across multiple industries, providing reliable components for their mission-critical applications.

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