Trench High Voltage Products Ltd., Shenyang (THVS)

Trench High Voltage Products Ltd., Shenyang, successor of Trench Fushun Bushing Co., Ltd., was established in 2005 and is a member of the global Trench Group. 

Being a member of Trench Group, THVS benefits from strong technical support and global R&D activities and innovations from group to serve local and oversea customers for various HV applications. 

The factory is well equipped with advanced manufacturing, assembly, testing equipment and HV test labs. A dedicated team of experienced engineers and skilled workers is working hard to meet customers’ satisfaction.

Trench High Voltage Products Ltd., Shenyang, is certified for ISO 9001, ISO 14001 & OHSAS 18001.


The Instrument Transformers product portfolio includes:

The Bushings product portfolio includes:

  • Oil Impregnated Paper Bushings (from 40.5 kV - 1100 kV up to 5,000 A)
  • Epoxy Resin Impregnated Paper Bushings (from 17.5 kV - 800 kV up to 31,500 A)