
HENGYI ELECTRICAL CO.,LTD. manufactures high- and low-voltage capacitors and power quality solutions, including capacitor banks, controllers and reactors. The company combines semi-automated production with rigorous quality management to support reliable power transmission.
HENGYI ELECTRICAL CO.,LTD. is a private manufacturer specializing in capacitors and power quality equipment for electrical distribution systems. Its product portfolio includes high- and low-voltage capacitors, capacitor banks, reactive power compensation controllers, reactors, circuit breakers and electronic triggers, as well as solutions such as APF, SVG and intelligent capacitor compensation devices.
With production bases in Wenzhou, Zhejiang and Shanghai, the company supports a wide range of application scenarios, including residential and public buildings, industrial and port facilities, new energy projects, and rail transit. It also provides technical service and maintenance support through a dedicated service and repair center.
Quality management is positioned as a core operating principle. The company invests in production equipment and processes, including automatic winding, metal spraying and pressure testing equipment, and has established quality assurance and evaluation systems covering the full chain from raw materials through finished products.
The company focuses on power quality governance and reactive power compensation, supporting safe and efficient power transmission across a broad range of distribution environments.
Operations are supported by two production bases located in Wenzhou, Zhejiang and Shanghai.
The company has invested in production equipment including automatic winding units, metal spraying units and pressure testing equipment, building advanced semi-automated production lines to improve efficiency and reduce material waste.
A quality assurance and evaluation system is implemented across planning, process control, equipment maintenance, incoming inspection and finished-product testing, with close monitoring from raw materials through delivery.
A dedicated technical service and maintenance center provides hotline support and service coverage nationwide, including on-site service.
Founded with a focus on the power quality sector.
The HY111-A series power capacitor was presented as certified by UL and TUV and by multiple national authorities.
Worked with multiple institutes and partner enterprises to support development and innovation efforts.
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