Ranked switching power supply manufacturers
How this list is ranked- 01
CHINT 正泰 Full profile
Low-voltage electrical products and integrated energy solutions.
- Low-voltage circuit breakers
- Distribution boards
- Electrical control products
- Smart electrical equipment
- Energy management systems
- Renewable energy equipment
Why it ranks here: registered legal entity on file; email and phone published; operating since 1984.
- 02
DELIXI Electric 德力西电气 Full profile
Low-voltage distribution, industrial control and home electrical products.
- Low-voltage circuit breakers
- Distribution boards
- Industrial control products
- Home electrical products
- Automation equipment
- Variable-frequency drives
Why it ranks here: registered legal entity on file; phone published; operating since 2007.
- 03
MOSO 茂硕电源MOSO
Registered as 茂硕电源科技股份有限公司 in 2006.
- Switching power supplies
- LED driver power supplies
- Security-system power supplies
Why it ranks here: registered legal entity on file; email and phone published; operating since 2006.
- 04
4NIC 朝阳电源4NIC
Registered as 航天长峰朝阳电源有限公司 in 2007.
- Switching power supplies
- Power modules
Why it ranks here: registered legal entity on file; email and phone published; operating since 1986.
International switching power supply brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
ABB ABB Full profile
Electrification and automation technologies for power and industry.
- MV/LV switchgear
- Circuit breakers
- Distribution boards
- Distribution automation
- Measurement and control
- Motors and drives
Why it ranks here: registered legal entity on file; email and phone published; operating since 1988.
- INT
Siemens 西门子 Full profile
Industrial technology, intelligent infrastructure and automation.
- Switchgear
- Vacuum circuit breakers
- Industrial automation
- Building technologies
- Electrical infrastructure
- Digital industrial systems
Why it ranks here: registered legal entity on file; email and phone published; operating since 1847.
- INT
Delta 台达DELTA Full profile
Variable-frequency drives / Industrial automation / Power management products.
- Variable-frequency drives
- Industrial automation
- Power management products
- Thermal management systems
- Energy infrastructure solutions
Why it ranks here: registered legal entity on file; phone published; operating since 1971.
- INT
Omron Automation OMRON欧姆龙自动化 Full profile
Relays / Industrial sensors / Controllers.
- Relays
- Industrial sensors
- Controllers
- Drives
- Industrial robots
- Safety equipment
Why it ranks here: registered legal entity on file; phone published; operating since 1933.
- INT
Schneider Electric 施耐德电气 Full profile
Energy management, electrification and industrial automation.
- Switchgear
- Circuit breakers
- Distribution boards
- Industrial automation
- Energy management systems
- Connected electrical products
Why it ranks here: registered legal entity on file; phone published; operating since 1836.
- INT
TDK-Lambda TDK-Lambda
Registered as 东电化兰达(中国)电子有限公司 in 1995.
- Switching power supplies
- Power modules
- Industrial power supplies
- High-voltage power supplies
Why it ranks here: registered legal entity on file; phone published.
What is a switching power supply?
A switching power supply converts mains power to a regulated DC voltage using high-frequency switching, which makes it smaller and more efficient than a linear supply. Chinese makers produce enclosed, open-frame, DIN-rail and LED-driver supplies for industrial and electronic equipment.
What buyers compare
- Output voltage, current and power
- Form factor: enclosed, open frame or DIN rail
- Efficiency and power factor correction
- Operating temperature and protections
- Safety approvals (UL, CE, CB)
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | CHINT正泰 | Zhejiang | 1984 | CHINT Group Co., Ltd. |
| 02 | DELIXI Electric德力西电气 | — | 2007 | DELIXI Electric Co., Ltd. |
| 03 | MOSO茂硕电源MOSO | Guangdong | 2006 | 茂硕电源科技股份有限公司 |
| 04 | 4NIC朝阳电源4NIC | Liaoning | 1986 | 航天长峰朝阳电源有限公司 |
Frequently asked questions
How many switching power supplies manufacturers and suppliers in China are listed here?
10 companies are listed for switching power supplies (开关电源). 4 Chinese manufacturers have full profiles and are ranked; 6 international brands with China operations are listed separately.
Where are China's switching power supplies manufacturers located?
Among profiled companies: Beijing (3), Shanghai (2), Zhejiang (1), Guangdong (1), Liaoning (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 5 publish an email address.