Pinggao Group High Voltage Switchgear Co., Ltd.(hereinafter referred to as PG) is a hi-tech company awarded by Chinese Academy of Sciences and the Ministry of Science & Technology. Meanwhile, it is one of the three production, research and development bases of high and ultra-high voltage switchgear in China, and has been listed among Chinese top 500 manufacturers. PG has import and export right and been granted ISO 9001 certificate in 1996.PG is the first company to develop SF6 high voltage switchgear apparatus in China. It has set up a state-level R&D center with strong capability of production, development and technical innovation. Its main products cover:LW10B 252~550 kV SF6 circuit breaker with hydraulic mechanism (live tank)LW55-252~800 KV SF6 circuit breaker of dead tankLW35 72.5~252 kV SF6 circuit breaker with spring charged mechanism(live tank)40.5~800 kV disconnectorZF72.5~252 kV GIS (SF6 gas insulated switchgear) ZCW (N) 8-72.5~126 kV composite apparatus of live tankNow PG is engaged in developing HUV products with large capacity. PG's products not only have been widely used and highly recommended in China, they also have been exported to 50 countries and areas in Southeast Asia, West Asia, South America, Africa and Europe and etc.