The main products of the company are0.22-220KVporcelain housing metai-oxide arresters and 0.22-220KV complex housing metai-oxide arresters. It holds two patened technologies in the new type arrester with a release, which has an unique effect in preventing ground cables from a lightning. By having a release and a pressure relessing device, the new arrester is double-function structured. It is an original product in China and is suitable is double-function structured. It is an original product in China and is suitable for 36KV or lower power networks. The main technical performance index have reached the international sundards of same products. The American ANSI and the international IEC standards are applied in the production of arresters and drop-out fuse. The quality of the 15KV drop-out fuse has been certified by KEMA of the Netherlands. With good performance and reliable quality, our products have been sold well at home and abroad.