Powering the Future of Energy
Nanjing Coumel Electrical Technology delivers intelligent power distribution solutions for global energy infrastructure. From prefabricated substations to precision circuit breakers, we engineer reliability.
51.7M
CNY Registered Capital
100+
Enterprise Partners
AAA
Credit Rating

YB-12 Prefabricated Substation
10kV/0.4kV Smart Power Distribution
Certified
ISO 9001:2015
Why Choose Coumel
Core Competencies
Backed by years of expertise and certified quality systems, we deliver reliable power solutions for critical infrastructure.
01R&D Excellence
University consortium partnerships drive innovation in smart grid technology. Continuous product development with cutting-edge research.
High-Tech Enterprise
02Manufacturing Power
State-of-the-art facilities in Nanjing Jiangbei New Area. Complete production lines for high and low voltage equipment.
Full Production Capability
03Quality Control
Comprehensive testing platforms for all products. Every unit undergoes rigorous inspection before delivery.
Zero-Defect Policy
04Global Logistics
Serving customers across power systems, petrochemical, and urban infrastructure sectors worldwide.
International ReachOur Product Range
Smart Grid Equipment
Comprehensive solutions for power generation, transmission, and distribution — all designed and manufactured to international standards.

YB-12/0.4-1250 Prefabricated Substation
European-style box substation integrating HV switchgear, transformer, and LV distribution. Ideal for urban grids, industrial parks, and renewable energy applications.
- 10kV/0.4kV voltage conversion
- Compact modular design
- IP33-IP54 protection rating
- Smart monitoring ready

YB-24/0.4-2500 High Capacity Substation
Large-capacity prefabricated substation for data centers, industrial facilities, and high-demand applications requiring 24kV distribution.
- 24kV high voltage rating
- 2500kVA transformer capacity
- IoT remote monitoring
- 50% faster deployment
Industry Applications
Technical Solutions
Tailored power distribution systems for diverse industries — from renewable energy to critical infrastructure.

Wind Power
Collector system switchgear and prefabricated substations for onshore and offshore wind farms.

Solar Energy
Grid-tie inverter cabinets, reactive compensation units, and PV station distribution systems.

Commercial Buildings
Complete power distribution solutions for offices, shopping centers, hotels, and hospitals.

Industrial Parks
Motor control centers, process automation, and high-capacity distribution for manufacturing.

Rail & Transit
Traction power systems and station distribution for metro, high-speed rail, and airports.

Water & Utilities
Pump station controls, water treatment facilities, and municipal infrastructure systems.
Need a Custom Solution?
Our engineers can design systems tailored to your specific requirements.
Our Reach
Global Footprint
Based in Nanjing's national-level Jiangbei New Area, we serve clients across energy, infrastructure, and industrial sectors.
100+
Enterprise Partners
Major corporations trust our products
50+
Cities Served
Nationwide project coverage
1000+
Projects Completed
Across diverse industries
8+
Years Experience
Since establishment in 2016

Nanjing Coumel Electrical Technology Co., Ltd.
No. 166 Xingangwan Road, Longchi Street, Luhe District, Nanjing
Trusted by Industry Leaders
Quality Assurance
International Certifications
ISO 9001:2015
Quality Management System
ISO 14001:2015
Environmental Management System
ISO 45001:2018
Occupational Health & Safety
CCC
China Compulsory Certification
CQC
China Quality Certification
AAA Credit
Enterprise Credit Rating
High-Tech Enterprise
National Recognition
IP Patents
Intellectual Property Portfolio
ISO 9001:2015
Quality Management System
ISO 14001:2015
Environmental Management System
ISO 45001:2018
Occupational Health & Safety
CCC
China Compulsory Certification
CQC
China Quality Certification
AAA Credit
Enterprise Credit Rating
High-Tech Enterprise
National Recognition
IP Patents
Intellectual Property Portfolio