Custom Electrical Distribution & Switchgear Solutions
Professional manufacturer of HV & LV switchgear, distribution boxes, busway systems and cable trays. Every unit engineered to your drawings — from single cabinets to full project supply.
Total Site Area
Building Area
Minimum Order Qty
Free Warranty
27 Products Across 6 Categories
From medium-voltage switchgear to busway, cable management and prefabricated substations — every product is custom-built to your project drawings and specifications.
An Experienced Manufacturing Partner
We combine large-format in-house production, rigorous quality control and responsive engineering support to deliver dependable electrical distribution equipment.
In-House Manufacturing
Customer materials state a 25,000 m² building area and list 32 production-equipment entries across multiple equipment types.
Documented Quality Approach
The supplied company materials describe incoming, in-process and factory inspection activities.
Full Customisation
OEM & ODM support — every product built to your drawings, dimensions, materials and applicable standards.
Reliable Lead Times
Typical production lead time is stated as 15–45 days and varies by product and quantity; a supplied example gives about 50 days for 100 units.
On-Site Technical Support
Qualified engineers support installation guidance, commissioning, performance testing and operator training.
2-Year Warranty
Two-year free warranty on all equipment. Technical after-sales service continues beyond the warranty period.
From Raw Steel to Fully Tested Cabinets
Our vertically integrated workshops control every stage of production — sheet metal, busbar processing, surface treatment, assembly and electrical testing — under one a quality approach described in the supplied company materials.
- Full sheet-metal fabrication: CNC punching, bending, laser cutting & press-braking
- High-purity electrolytic copper busbar processing (≥98% IACS)
- Epoxy powder electrostatic coating with ≥60 μm film thickness
- In-house electrical test lab: dielectric, insulation resistance, DC resistance & AC withstand
- The supplied production-equipment list contains 32 entries across fabrication, handling and support equipment
From Drawing to Delivery
A transparent, customer-focused process — from technical review through to factory-tested delivery and on-site support.
- 01
Drawing & Requirement Confirmation
We review your drawings, single-line diagrams and project requirements before production begins.
- 02
Design & Engineering
Our engineering team prepares manufacturing drawings and a bill of materials per your specification.
- 03
Production & Manufacturing
CNC sheet metal processing, assembly, wiring and busbar installation with in-process inspection at defined stop points.
- 04
Factory Testing & Inspection
Each unit is tested for insulation resistance, continuity, protection relay settings and dielectric strength. Customer inspection welcome.
- 05
Delivery & Technical Support
Careful packaging, documentation, test records and operation manuals shipped with every order. 2-year warranty included.
Equipment for Every Application
Chang Hui Electric products are deployed across a wide range of industries — from heavy industry and utilities to healthcare, residential and transportation infrastructure.
- Industrial & Mining
- Petrochemical
- Power & Water Utilities
- Infrastructure
- Healthcare
- Residential & Commercial
- Research & Science
- Warehousing & Logistics
- Transportation
Inside Chang Hui Electric
Original photographs supplied by Jiangsu Changhui Electric. They are presented as a company and manufacturing gallery without assigning an unverified product model to any image.
Ready to Start Your Next Power Project?
Send us your drawings or requirements and our engineering team will prepare a tailored quotation — with samples, technical data sheets and test reports.