We have passed ISO9001 quality system certificate, State Grid Electric Power Research Institute with load 2 million switching tests, CCC certificate, CQC certificate, UL, TUV, Argentina, Switzerland, Finland, Poland, Denmark, Russia, and other countries certificate.

Patent & copyright

20 year We are constantly exploring at the forefront of power quality product research and development.our new model-intelligent power capacitor compensation device is an energy-saving product that got many state invention patents. Our products have exported to Russia, Turkey, Italy, USA, France,Germany, etc.

4 National Invention Patent
15 utility model patents
22 appearance patents
11 Software copyright
6 Enterprise Honor

Production Process

For more than 20 years, Hengyi people have been constantly exploring the forefront of capacitor R&D and manufacturing. The coating of the core part of the capacitor is controlled by itself and guaranteed to be used within 72 hours.

High temperature aging
Capacitor winding purification workshop
Three anti-paint technology for circuit board
Finished product aging
Product life test