Company profile

Guangdong Sihui Instrument Transformer Works Co.,Ltd was established in 1988 and has a history of more than 30 years.

Our factories are located in the mid-west of Guangdong province. The position is in Dongchen Street in Sihui city. It’s around 63km away from Guangzhou city, and it takes around 1.5 hours to get to the new Baiyun international airport. We enjoy convenient water, land and air transportation. We welcome you to visit our factories any time.

As a professional manufacturer, we are engaged in designing, manufacturing and selling instrument transformers. We have advanced and complete production equipment and testing equipment, and we are one of the suppliers of China southern grid power and state grid of China.

We have some international certifications of CE, ISO9001, GOST, KEMA and so on.

We used to be partners of ABB Group and provided the OEM service to them for over 10 years, so you can imagine how good the quality of our products is, and we have our own brand “SH”, which is a famous brand in Guangdong province.

Our products sell well both in China and overseas.

Our main products include: current transformer, voltage transformer (IVT, CVT, SSVT), power transformer, Insulators, bushing and so on. The insulator materials are epoxy resin, mineral oil and SF6 mixed gas, the voltage level from 0.72kV to 1000kV.

The current transformers are used in the power system for the current metering, measuring and protection.

The voltage transformers are used in the power system for voltage measuring and protection.