Overvoltage withstand testing devices for 35kv，110kv，220kv substation devices

Hubei zhongshi electric power technology co., ltd. (hereinafter referred to as zhongshi company) is located in the students’ pioneer park, east lake high-tech zone of wuhan. we focus on researching, developing, producing and selling electrical testing equipment, as well as provide technical training and consultative services. since the company was founded in 1990, we have developed more than 20 series and 100 categories of products, including items for export. zhongshi company has been at the forefront of test instrument design since it’s foundation in the year of 1988.since then, we have become a leading manufacturer in the field of test equipment and technical development in china. for decades, we hold the principle that "we have the responsibility because we have the ability to handle it". zhongshi always offers our customers the best and most valuable electronic test equipments, and serves the people all around the world. we are the bellwether in this field.