Company profile
Coigne operates aluminium assembly processes including extrusion, CNC machining, welding, friction-stir welding and surface treatment.
Products
Energy Storage + Commercial Vehicle Battery Enclosure
The first major category of the official product center, covering aluminium alloy battery enclosures for energy storage stations and commercial vehicles including mining trucks. The company manufactures aluminium parts and enclosure assemblies through extrusion, CNC machining, TIG/MIG welding, FSW friction stir welding, brazing, FDS, SPR, adhesive bonding and PVC coating, supported by early-stage design, simulation and testing experience to deliver integrated solutions, including water-cooled integrated enclosure structures for mining trucks.
Material grade: 6061-T6 Aluminum; Wall thickness: 3 mm; Tensile strength: 310 MPa; Yield strength: 276 MPa; Dimensional tolerance: ±0.5 mm; Protection class: IP67; Air tightness: 10 Pa; Weight: 25 kg
- Battery enclosures for energy storage stations
- Power battery enclosures for commercial vehicles
- Water-cooled integrated battery enclosures for mining trucks
- Prototyping and assembly of commercial vehicle / energy storage battery enclosures
Passenger Car Battery Enclosure
The second major category of the official product center, offering customized aluminium alloy battery enclosures and liquid cooling plates for passenger car customers, including BYD enclosures, PR2/PR3 enclosures, ES11 enclosures, E70 enclosures, Gotion EX3, EP30 enclosures and brazed liquid cooling plates named by vehicle model or customer platform. The official R&D page discloses 3 extrusion lines (40,000 tonnes annual output) and 2 brazing lines (150,000 sets annually), with extrusion die FEA, CAE simulation and 6-series aluminium welding development capabilities.
Material grade: 6061-T6 Aluminum; Wall thickness: 3 mm; Tensile strength: 310 MPa; Yield strength: 276 MPa; Dimensional tolerance: ±0.5 mm; Protection class: IP67; Air tightness: 10 Pa; Weight: 25 kg
- Passenger car power battery pack enclosures
- Vehicle-model-specific battery enclosure development
- Brazed liquid cooling plates
- Battery pack thermal management components
Body Structure Products
The third major category of the official product center, covering lightweight aluminium structural parts for the underbody and body of new energy vehicles, including electric drive system brackets and mounts, subframe assemblies, front anti-collision beams and their assemblies, sill beam assemblies, armrest brackets and radiators. Production uses extruded profiles combined with CNC machining and TIG/MIG/FSW welded assemblies plus SPR, FDS and adhesive joining; the official site discloses CAE capabilities such as quasi-static loading and impact analysis of anti-collision beams and durability and static strength analysis of subframes.
Material grade: 6061-T6 Aluminum; Wall thickness: 4 mm; Tensile strength: 310 MPa; Yield strength: 276 MPa; Weight: 15 kg; Protection class: IP67
- Lightweight underbody structural parts for new energy vehicles
- Body crash and energy absorption structures
- Mounting brackets for electric drive systems
- Sill beam and subframe assemblies
Production evidence
MfrProof public-source record: Coigne operates aluminium assembly processes including extrusion, CNC machining, welding, friction-stir welding and surface treatment. Manufacturer status passed editorial source review.
This profile is based on confirmed public information. It is not an audit, certification or commercial endorsement.
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