Our company bases itself upon high starting-point, high quality, high Level., carries out ISO9001 Quality Management System comprehensively, have established complete Quality Quarantee System. Our company have advanced Researching and Developing, Testing, Produce machines and also have a strong engineering technology team which establishe the steady foundation of guaranteeing the quality of our products. The products of composite insulator, fuse cutout, zinc oxide surge arrester and isolate switch are test eligible by Quality Inspection and Testing Centre of Electric Equipment Ministry of Electric Power, P.R. Of China, and China National Centre for Quality Supervision and Test of Insulators and Surge Arresters. And the products comform to international IEC61109,IEC60099-4,IEC600282-2,291,644,787and national GB/T16927.1，GB/T8952 GB/T15166\15166.3 standards. Our products are widely sold domestic and abroad which export to South America, Africa, Middle East, Southeast Asia, etc.