CHENHOTECH

Precision Copper Busbars & Conductive Components. From Prototype to Production in 7 Days.

Engineering-Driven Factory In Huizhou, China. Specializing In Low-MOQ, High-Complexity Customized Busbar & Conductive Components Solutions For ESS & EV.

Capabilities

Engineering & Manufacturing Capabilities

From CAD drawing review and DFM support to cutting, welding, bending and finishing, our team helps turn custom copper busbars and drawing-based conductive components into production-ready parts.

DFM support iconDFM SupportDrawing review before production
Agile manufacturing iconAgile ManufacturingLow-volume and repeat orders
Material traceability iconMaterial TraceabilityRecords aligned with project needs
Fast response iconFast ResponseEngineering follow-up within 12 hours
CHENHOTECH copper busbar manufacturing workshop showing cutting, welding, bending, finishing and production processes
DFM Optimization · Custom Copper Busbar Manufacturer

Engineering Support & DFM Optimization for Custom Copper Busbars

As a factory-direct copper busbar manufacturer in Huizhou, China, we review your CAD drawings before production and optimize bend radii, hole positions, and insulation coverage to cut cost, improve assembly fit, and ensure repeatable quality across BESS, 48V LiFePO4, and EV battery packs.

CAD drawing review and manufactured flexible copper busbar for BESS battery packs
Drawing & ComponentCAD drawing review → manufactured flexible busbar
Dimensional check of copper busbar with M6 mounting holes and 20x4mm cross section
Dimensional CheckM6 mounting holes, 20×4mm cross-section, measured against drawing tolerance
Flexible copper busbar connecting 280Ah 302Ah 310Ah 320Ah prismatic cells in a 48V LiFePO4 battery pack
Application ExampleFlexible busbar connecting 280Ah / 302Ah / 310Ah / 320Ah prismatic cells in a 48V LiFePO4 battery pack
Review your drawings for manufacturability before toolingSuggest cost & performance improvements on bend radius, hole pitch, and material gradeOptimize M6 hole positions, 20×4mm cross-section, and 3–5mm wavy flexible sectionsSupport custom flexible & rigid busbars for BESS, ESS, and EV battery systems

Typical specifications we handle: T2 copper, 0.5–5mm thickness, 10–120mm width, M4–M12 mounting holes, tin/nickel plating, and epoxy powder or PVC dip insulation for 600V–1000V applications.

Precision

Precision Manufacturing

From approved drawings to finished parts, we manufacture custom copper busbars and conductive components, with attention to dimensions, bends, surface finish and assembly fit.

Drawing-to-part examples
01

Bent Copper Terminal

Drawing-defined hole placement and bend geometry carried through to the finished copper parts.

Engineering drawing of a bent copper terminal with hole and bend dimensions
Engineering drawing
Finished bent copper terminals manufactured from the engineering drawing
Finished conductive components
02

Threaded Copper Connector

Thread and mounting features shown in the drawing, followed by the manufactured connector.

Engineering drawing of a threaded copper connector with mounting features
Engineering drawing
Finished threaded copper connector and plated conductive connection parts
Finished conductive components
Component accuracy
Formed copper busbar showing accurately machined holes and finished edges
Tight-tolerance holes, burr-free finish
Digital caliper measuring the dimensions of a copper busbar
Tight Tolerance Control
Copper busbar connections fitted to a battery cell assembly
Consistency and accuracy are critical for reliable applications
Batch repeatability
Finished conductive components with smooth surfaces and formed edges
Smooth Surface & Burr-Free Edges
Series of copper busbars with consistent formed bending angles
Consistent Bending Angles
Repeat production batch of custom formed copper busbars
Batch consistency ensures dependable delivery quality
Insulation

Insulation & Terminal Finishing

Compare bare and insulated copper busbars, then examine insulation coverage, coating transitions and exposed terminals for bolted electrical connections.

Bare formed copper busbar before insulation
Bare copper
Formed copper busbar with red insulation coating
Insulated busbar
Close-up of the red insulation edge on a formed copper busbar
Strong Adhesion Without Peeling
Close-up of insulation coating thickness on a copper busbar
Controlled Thickness For Safety
Exposed metal terminal area of an insulated copper busbar for electrical connection
Clean Exposed Terminals For Connection
Quality assurance · Huizhou, China

Five-Stage Quality Control for Custom Copper Busbars

From incoming materials to shipment, our inspection workflow connects drawing requirements with production checks and finished-part verification.

01IQC · Incoming
02FAI · First article
03IPQC · In process
04FQC · Final
05OQC · Outgoing
Quality technician using a spectrometer for incoming copper material inspection at CHENHOTECH

01 · IQC

Incoming Material Inspection

Check incoming metal materials against the specified grade and purchasing requirements before release to production.

Technician measuring a copper busbar sample with optical equipment during first article inspection

02 · FAI

First Article Inspection

Measure the first-produced busbar against drawing-defined dimensions, hole positions and formed geometry before batch production.

Quality control staff and measuring equipment in the CHENHOTECH inspection laboratory in Huizhou

03 · IPQC

In-Process Quality Checks

Review key dimensions and process checkpoints during manufacturing, with inspection criteria tied to the job requirements.

Technician operating a hardness tester for copper busbar quality controlTechnician preparing a mechanical strength test using a universal testing machine

04 · FQC

Final Product Verification

Verify finished parts against agreed requirements. Hardness and mechanical testing equipment can support project-specific checks where applicable.

CHENHOTECH warehouse with blue storage bins during outgoing order inspection

05 · OQC

Outgoing Inspection & Release

Review quantity, identification, packaging and relevant records against the order before shipment.

Built around your drawing.Tell our engineering team which dimensions, material properties or inspection records your project requires.
Why work with us

Built for Custom Copper Busbar Projects

From drawing review and process planning to inspection and shipment, our Huizhou team helps turn non-standard copper busbar requirements into producible parts.

01 / ENGINEERING

Drawing-Led Review

Discuss material, bend geometry, hole positions and insulation requirements with the team that plans production.

02 / QUALITY

Defined Inspection Points

Align IQC, FAI, IPQC, FQC and OQC checks with the drawing and agreed acceptance criteria.

03 / PRODUCTION

Custom & Repeat Builds

Plan prototypes, revisions and repeat orders around the part design; confirm quantity and timing for each project.

04 / COMMUNICATION

Clear Technical Follow-Up

Raise critical dimensions, test methods and documentation needs early, before they become production questions.

Start a technical conversation

Tell us what your busbar must do.

Send a drawing or describe the application, quantity, material and inspection requirements. Our engineering team will review your request and aim to reply within 12 hours.

REQUEST ENGINEERING REVIEW →EMAIL THE ENGINEERING TEAMNo drawing ready? Start with your requirements.