Our company specializes in producing 0.28~220kV AC system metal oxide surge arresters and electric railway surge arresters with porcelain or polymeric housing for protecting electrical system and electric railway against over-voltage. Meanwhile we are producing surge arresters used for special conditions and areas. We have produced metal oxide surge arresters for a long history and we are one of the enterprises that produce polymeric housing arresters firstly in China. The silicone rubber material produced applies company awarded technology, keeping ahead at home and abroad. Our company has especially designed surge arresters for international market and we have provided many arresters to many countries with high quality and competitive price. Meanwhile, we have won many international tenders in South America, the Middle East, Africa, Southeast Asia and Europe. The surge arresters produced by us have been welcomed by clients and exported to many countries such as Iran, Jordan, Japan, Indonesia, Korea, India, Bangladesh, and Nepal. Till now, we receive many enquiries daily from all over the world, which have improved our quality and technology. Meanwhile we have tried our best to improve technology by ourselves. Consequently, our 9 types of surge arresters have passed KEMA type test and got the test report (YH5W-9/28, YH10W-15/47, YH10W-24/75, YH10W-30/90, YH10W-60/165, Y10W-120/312 class 2, Y10W-60/160 class 3, Y10W-120/295 class 3, Y10W-198/485 class 3).