TID Power who was founded in 1998,after years of technical experience accumulated and development ,TID Power succeed in manufacture composite insulator(silicon rubber insulator or polymer insulator) up to DC800KV,Live line tools for 500 KV and all different type of the insulation part. TID Power have more than 20 years experience in polymer insulator manufacture,We offer all type of the polymer insulator up to DC800KV,including suspension and tension insulator,station post insulator and bus ...