Power Transformers
HVHigh-voltage transformer solutions for utility networks and heavy industrial power systems.
- 220kV Power Transformer
- 110kV / 66kV / 35kV classes
Since 1970 · Power Equipment Manufacturing
Transformers, Substations and Switchgear for Utility, Industrial and EPC Projects
Chenglai Electric manufactures power transformers, distribution transformers, prefabricated substations, ring main units and switchgear for grid, industrial and infrastructure applications, backed by in-house manufacturing, CNAS-accredited testing and a dedicated export team.
50,000
MVA Annual Capacity
Large-scale production for on-time delivery of utility and industrial orders.
220kV
Max Voltage Rating
Power transformers, substations and switchgear up to 220 kV.
72
Patents
Including 15 invention patents in transformer design and manufacturing.
1,100+
Product Varieties
Across 12 major categories — transformers, substations, RMUs, switchgear.
Grid
Transformer and switching equipment for utility and distribution network projects
Plant
Industrial power distribution equipment for factories, plants and heavy-load facilities
EPC
Product and documentation support for project procurement and equipment coordination
Export
English-speaking export team for direct project communication with overseas buyers and partners
Factory Overview
Workshop and Production Scenes from Chenglai Manufacturing
Chenglai's workshops cover transformer assembly, core stacking, precision cutting and automated welding — giving procurement teams a direct view of production conditions and factory scale.
Product Categories
Power Equipment for Utility, Industrial and Infrastructure Applications
Chenglai offers a broader power equipment portfolio, with product groups relevant to transmission, distribution, industrial power and infrastructure deployment.
Substations
PackagePrefabricated and box-type substations for packaged distribution systems and integrated deployment.
- ZGS22 (G) F Combined Step-up Substation
- YBH / ZBW Box-Type Substation
Dry-type Transformers
DryDry-type transformer solutions for indoor distribution and fire-sensitive installation environments.
- Resin Insulation Dry-type Transformer
- Indoor commercial and industrial use
Why Buyers Choose Chenglai
Broad Product Coverage, Visible Factory, Direct Export Channel
Broad Power Equipment Coverage
Chenglai engineers and delivers transformers, substations, RMU and switchgear for utility, industrial and infrastructure projects.
Visible Factory and Testing Conditions
Workshop, assembly and testing visuals give buyers a clearer view of manufacturing conditions and quality control.
Direct Export Communication
English company materials, product information and direct inquiry channels support faster project communication with overseas buyers.
Typical Application Scenarios
Typical Applications and Project Contexts
Power Transmission and Distribution Projects
High-voltage transformers, substations and related equipment for grid expansion, substation upgrading and network reliability programs.
Factory and Heavy Industry Power Systems
Distribution transformers, RMU and switchgear solutions for manufacturing plants, processing facilities and industrial power distribution systems.
Project Procurement and Export Supply
Structured product documentation, company credentials and direct inquiry channels for EPC contractors, importers and overseas sourcing teams.
Certifications & Compliance
Documentation Ready for Supplier Review and Prequalification
Chenglai delivers qualification materials, company documents and factory references to support supplier screening, technical review and prequalification.
Qualification Package
Core certificates, company credentials and supporting records prepared for supplier screening and prequalification review.
Company Documents & Factory Reference
English company profile, factory visuals and product information for buyers assessing manufacturing capability and scope.
Standards Alignment
Products referenced against IEC 60076, IEEE/ANSI and major type-test standards used in utility and project tenders.
ISO 9001
IEC 60076
IEEE / ANSI
KEMA / DEKRA / ASTA
EU Ecodesign / CE
RoHS / REACH / Non-PCB
Testing & Quality Environment
Factory Testing and Quality Control Support Product Reliability
Chenglai operates CNAS-accredited testing facilities, factory inspection conditions and quality-control environments to support product review and project communication.
Chenglai Electric is a trusted industrial manufacturing partner for power infrastructure and project procurement.
FAQ
Frequently Asked Questions
What does Chenglai Electric manufacture?
Chenglai Electric manufactures power transformers, distribution transformers, prefabricated substations, ring main units and switchgear for utility, industrial and infrastructure power projects.
What voltage ranges does Chenglai cover?
The transformer range extends from distribution-level (10kV) up to high-voltage (220kV) applications. Switchgear and RMU products cover medium- and low-voltage distribution systems.
How can I start an inquiry or request product materials?
Contact Chenglai directly by email or phone. You can also download the English company profile from this site, or request product information, factory documentation and qualification records through the contact page.
Ready to Discuss a Project or Request Company Materials?
Contact Chenglai directly to request the company profile, product information, or to introduce a specific project requirement.