Introduction
It is crucial to choose a suitable industrial power supply manufacturer for B2B buyers. Power supply is the basic support in the fields of industrial automation, medical equipment and telecommunications. If you choose the wrong one, the equipment may fail, the production line may stop, and the losses can be significant.
China accounts for more than 60% of the global power supply capacity. Manufacturing factories are mainly concentrated in Guangdong, Zhejiang, Jiangsu and Shanghai. There are too many suppliers and it is difficult to choose. If you want to find reliable partners, you have to carefully evaluate. This guide will introduce ten representative industrial power supply manufacturers in China, focusing on WEHO Power, which has accumulated some reputation in terms of quality, customisation and reliability.
Top 10 Industrial Power Supply Manufacturers in China
| Brand | Overview | Key Models/Series | Main Features | Industries |
| WEHO | Est. 2007, Yueqing; 10k m², 10 lines, 200+ tech, 1.8M/yr, 99.7% yield | SE (5kW), SP (prog., RS485), SED (10kW); 10W–10kW | UL/CE/ISO, 100% burnin, 0.3% repair, stock, 714d, 3yr warranty, custom/OEM | Automation, medical, telecom, UAV |
| MEAN WELL | Est. 1982, global standardpower specialist, multiple bases | 0.5W–25.6kW AC/DC, LED drivers, chargers, DC/DC | High volume, stable quality, broad range | General industrial, lighting, comms |
| MORNSUN | Est. 1998, Guangzhou; 3,500 staff, 80k m² | 6,000+ AC/DC, DC/DC, modules, signal conditioners | Strong R&D, extensive portfolio | Industrial, medical, telecom, new energy |
| HUNTKEY | Est. 1995, Shenzhen; huge park, CNAS lab, supplies Lenovo/HP/Dell | Switching adapters, chargers, EV power supplies | TUV/CE/UL/FCC, certified lab | IT, consumer electronics, EV |
| COTEK | Est. 1986, Taiwan; programmable power specialist | Prog. AC/DC 800W–3kW, puresine inverters | MODBUS/PMBus, digital interface | Automation, test labs |
| MOSO | LEDdriver focused | V2, G6C, S6, X6 series | DALI2, DMX512, 010V dimming | LED & industrial lighting |
| TDKLambda | TDK sub, 80 yrs; China since 1993, Wuxi plant | Wide AC/DC & DC/DC modules | Brand reliability, strong support network | Industrial, medical, comms, test |
| TRACOPOWER | Swiss brand, China presence, midhigh end | Compact metalcase AC/DC | 3000VAC isolation, active PFC, Euro quality | Industrial, medical, transport |
| GVE | Est. 1999, Foshan; 3,000 m², 500k/month | Switching power supplies | CE/CCC/PSE/GS/UL, 3yr warranty, 100% burnin | Industrial, appliances, lighting |
| HEBAI | 30+ yrs, Hebei; magnetics specialist | Rectifiers, IGBT, thyristor, highvoltage | Custom, professional applications | Specialized industrial, power systems |
WEHO Power
WEHO (Zhejiang Weihao Electronics Co., Ltd.) was established in 2007. The founding team is a group of people who have worked in the power supply industry for a long time. The company is headquartered in Yueqing, Zhejiang Province, and has nearly 20 years of experience in the research and development and manufacturing of switching power supplies.Their factory is more than 10,000 square metres, with ten fully automatic production lines and more than 200 professional and technical personnel. WEHO has its own research and development team, covering power electronics, PCB layout, thermal management, EMC design and product certification. The annual output exceeds 1.8 million units, with a one time pass rate of 99.7%.
There are more than 1,000 power supply models made by WEHO, including closed switching power supply, waterproof series, DC DC converter and UPS power supply. The main product line is from 10W to 480W, and the output voltage is 5 to 48V, and the efficiency can be more than 95%. The SE series is highpower, reaching up to 5000W, and is used in industrial equipment and telecommunications infrastructure. The SP series is an intelligent programmable power supply, supporting RS485 communication and Modbus telemetry. The SED series can achieve an ultra high power of 10,000W, which is used for largeload UAV base stations and industrial automation.
WEHO’s products have CE, RoHS, ISO 9001 and UL508 certifications. All power supplies must go through 17 ageing test equipment for 100% full load ageing test before delivery, and the repair rate is about 0.3%.WEHO has more than 1,000 standard models in stock. Conventional power supplies can be shipped in seven to fourteen days. The minimum order quantity is not high and samples can be tested for free. You can try it before bulk purchase. It provides a three year quality guarantee, and can also provide import guidelines and professional reports for customers in different markets. For B2B buyers, if you need to find a manufacturer that supports customisation and OEM/ODM projects, WEHO is an option worth looking at.
WEHO has more than 1,000 standard models in stock. Conventional power supplies can be shipped in seven to fourteen days. The minimum order quantity is not high and samples can be tested for free. You can try it before bulk purchase. It provides a three-year quality guarantee, and can also provide import guidelines and professional reports for customers in different markets. For B2B buyers, If you need to find a manufacturer that supports customisation and OEM/ODM projects, WEHO is an option worth looking at.
MEAN WELL Electronics
Founded in 1982, MEAN WELL is one of the few manufacturers specialising in standard power supplies in the world. It ranks at the forefront of DC output power supply, with product power from 0.5W to 25600W, including AC/DC power supplies, LED drivers, battery chargers and DC/DC converters. They have five production bases in Asia and the United States. If you need a large number of standard power supplies, MEAN WELL is a relatively stable choice.
MORNSUN Guangzhou Science & Technology
MORNSUN was founded in 1998. So far, it has promoted more than 6,000 industrial power supply products to the global market, including ACDC and DCDC converters, closed switching power supplies, signal conditioning modules, etc. Headquartered in Guangzhou, with more than 3,500 employees and a site of 80,000 square metres, mainly serving the fields of industrial automation, medical, telecommunications and new energy.
HUNTKEY
HUNTKEY was founded in 1995 and is headquartered in Shenzhen. The industrial park covers an area of nearly one million square metres. Its product lines include switching power supplies, adaptors, chargers and new energy vehicle power supplies. They have CNAScertified laboratories and have received TUV, CE, UL and FCC certifications, and have also supplied Lenovo, HP and Dell.
COTEK
COTEK was founded in Taiwan in 1986. It makes programmable AC/DC power supplies (power from 800W to 3KW) and DC/AC pure sine wave inverters. The products have a digital communication interface and support MODBUS and PMBus, which is more suitable for industrial automation and testing laboratories.
MOSO
MOSO mainly makes LED drivers and power supplies for lighting. The product range includes V2 series, G6C series, S6 series and X6 series, which supports DALI2, DMX512 and 010V dimming. If you are in lighting or industrial lighting, you can take a look at them.
TDK-Lambda (China) Co., Ltd.
TDKLambda is a subsidiary of TDK Group. It has a history of making switching power supplies for 80 years. It entered the Chinese market in 1993. The Wuxi factory has 16,000 square metres and more than 15 sales and technical support outlets in Greater China. The brand and reliability are guaranteed.
TRACOPOWER (China) Co., Ltd.
TRACOPOWER is a Swiss brand and also has a layout in the Chinese market. Their AC/DC power supply uses a compact metal shell with 3000VAC to strengthen insulation and active power factor correction. If you want European quality at a competitive price, TRACOPOWER is a mid to high end choice.
GVE
GVE was established in Foshan, Guangdong Province in 1999. The factory is about 3,000 square metres, with a monthly production capacity of 500,000 units. The products are CE, CCC, PSE, GS and UL certified. It provides a three year warranty. All products are 100% fullload ageing tested.
HEBAI
Hebei Tongke Electric Appliance Manufacturing Co., Ltd. is engaged in switching power supplies and magnetic components, with more than 30 years of industry experience. The products include rectifiers, IGBT switching power supplies, thyristor rectifiers and high voltage power supplies, mainly serving some more professional industrial applications.
FAQs
Q: How to choose among these manufacturers?
It depends on your specific needs. If you want a large scale standard power supply, MEAN WELL is a verified old brand. If you have customised needs, WEHO is more flexible in OEM/ODM, and there are more than a thousand product models. If you need a programmable power supply, COTEK specialises in it. If you want LED lighting, MOSO is more familiar.
Q: What certifications should I look at?
The main certifications include UL (U.S. market), CE (European market), CB (international general) and CCC (Chinese market). WEHO has CE, RoHS, ISO 9001 and UL508. When requesting certification documents, don’t just take their word for it; ask for the actual documents.
Q: Can these manufacturers do customised designs?
Yes, WEHO has made more than 1,000 product lines, including standard products, semi customisation and full customisation. You should ask the manufacturer directly for the specific minimum order quantity, mould opening fee and production cycle.
Q: How long does it usually take for industrial power supplies to be delivered?
WEHO’s standard power supply can be sent in seven to fourteen days, and customised orders usually take four to eight weeks plus transportation time.
Q: How to judge whether the manufacturer is reliable?
You can ask them for a customer recommendation letter, go to the factory to have a look, or ask a third party inspection agency to check. WEHO has a 10,000 square metre factory and ten automated production lines, with a pass rate of 99.7%. These data can basically show the manufacturing level.
Conclusion
China’s industrial power supply manufacturing system is large in scale and diverse in composition. Among the ten companies mentioned above, WEHO is a relatively distinctive one, with nearly 20 years of industry experience, 10,000 square metres of factory, more than 1,000 product models, a one time pass rate of 99.7%, and relatively strong customisation capability. Standard products can be shipped in seven to fourteen days, and full customisation can also be accommodated. The flexibility and reliability required by B2B buyers can basically be given.
When choosing a supplier, first sort out the requirements: how much power, how much voltage, what certification is needed, whether it needs to be customised, and then go to those manufacturers with complete qualifications, mature quality systems, and timely communication. If you choose the right partner for the power supply, you can save a lot of trouble with downtime and maintenance later.
Take your time. Ask clearly what should be asked, and verify what should be verified one by one. The right manufacturer can be found. This list can be used as a starting point to understand.
