Custom Copper Busbars
High-conductivity solutions engineered for precision, flexibility, and maximum electrical performance.
Engineered for Superior Power Distribution
At JUMAI Tech, we manufacture custom copper busbars utilizing high-purity T2/C11000 copper (99.9% pure). Our busbars are critical components for efficient power transmission, offering exceptionally low electrical resistance and excellent thermal management properties.
Whether you need robust rigid connections for heavy industrial machinery or highly flexible braided solutions for the vibration-heavy environments of New Energy Vehicles (NEVs), we have the complete in-house capabilities to punch, bend, plate, and insulate to your exact CAD specifications.
99.9%
T2 Copper PurityISO 9001
Certified Quality SystemTypes of Copper Busbars We Manufacture
We offer three primary categories of busbars, fully customizable in shape, size, and finish to suit your specific spatial, electrical, and mechanical requirements.
Hard / Rigid Busbars
Solid copper bars precision cut, punched, and CNC bent. Ideal for static applications requiring massive current carrying capacity and structural rigidity where vibration is not a primary concern.
- Low voltage drop
- High mechanical strength
- Complex 3D CNC bending
Soft / Braided Busbars
Woven from fine copper wires (bare or tinned) with solid cold-pressed terminals. Specifically designed to absorb extreme vibrations, accommodate thermal expansion, and compensate for dynamic misalignments.
- Maximum flexibility
- Shock & vibration absorption
- Custom terminal pressing
Laminated Flexible Busbars
Constructed from multiple layers of thin copper foils, firmly press-welded (diffusion welding) at the mounting areas. Offers the exceptional conductivity of solid bars combined with the ability to bend and twist in extremely tight spaces.
- Space-saving routing
- Excellent heat dissipation
- Reduced skin effect
Where Our Busbars Are Used
Our custom copper solutions are the vital electrical arteries in modern, high-demand industrial applications.
NEVs & Batteries
Connecting battery modules safely in high-vibration electric vehicles.
Renewable Energy
Handling high currents in solar inverters and wind turbine generators.
Power Distribution
Main busbars for switchgears, transformers, and control panels.
Data Centers
Reliable power routing for uninterrupted server rack power supplies.
Surface Finishes & Insulation Capabilities
We deliver more than raw copper. JUMAI Tech provides fully finished, ready-to-assemble components equipped with required surface protections against oxidation and high-grade electrical insulation for safety.
Plating & Coatings
Prevent oxidation and reduce contact resistance. We offer Tin Plating (Sn) for standard anti-corrosion, Nickel Plating (Ni) for harsh environments, and Silver Plating (Ag) for ultimate conductivity at contact points. Bare copper is also available.
Electrical Insulation
Safety is paramount. Choose from Heat Shrink Tubing, custom PVC Dipping for complex shapes, or high-performance Epoxy Powder Coating. All insulations can be formulated to meet UL94 V-0 flame retardant standards.
Precision Machining
Our CNC equipment ensures tight tolerances. Capabilities include multi-axis CNC bending, precision punching, hole tapping, cold pressing for braided terminals, and advanced diffusion welding for laminates.
Product Gallery
A showcase of recently manufactured custom busbars for global clients.
Epoxy Coated Laminated Busbar
For EV Battery Pack
Tinned Braided Connector
With Cold-Pressed Terminals
PVC Dipped Rigid Bar
Custom CNC Bending
Silver Plated Solid Busbar
High Voltage Switchgear
From Drawing to Delivery
A streamlined, transparent process ensuring your custom components meet exact specifications on time.
Drawing Evaluation
Send your 2D/3D CAD files. Our engineers review for manufacturability (DFM) and provide a quote.
Rapid Prototyping
We produce physical samples for your team to test fit, form, and electrical function before mass production.
Mass Production
Upon approval, we initiate CNC machining, pressing, plating, and insulation processes.
QC & Global Shipping
100% inspection for dimensional accuracy and insulation integrity prior to secure global dispatch.
Need a Custom Busbar Prototype?
Send us your CAD drawings (STEP, IGES, PDF). JUMAI's engineering team will review your project and provide a professional manufacturing analysis and preliminary quote within 24 hours.