Pinggao Group High Voltage Switchgear Co., Ltd. (herineafterrefered as Pinggao) is a large-scale state-owned enterprisespecializing in development and production of switchgear,especially high and ultra-high voltage switchgears. Its mainproducts covers SF6 circuit breaker (CB), GIS (SF6 gas insulatedswitchgear), disconnector (DS) and mid-voltage switchgear. Pinggaoattaches great importance to product quality and has established acomplete quality assurance system according to ISO 9001, which wasapproved in 1996 and 1999 respectively Its major product 500 (550)kV SF6 CB, is the only one of its kind in China being awarded withthe state gold medal, Many of its products, such as LW seriescircuit breaker, GW16 17and GW4 series disconnector, 72.5/126kV GISand LW10B(550kV) circuit breaker have been certificated in KEMA andCESI according to customers and IEC standards requirements.
