Company was established in 1966,through its development and reconstruction over 30 years .it has 5 sets of advanced cable production lines, has 9 sets of international advanced digital control process,750kv frequency and 550kv cable test equipments which were imported from Japan Germany Switzerland. It has successfully used UG software for the design of switchgear and put the computer engineering analyses, process accessorial of design into practice and carry out the integration manufacture in digital control workshop section竊�ith an annual sale value 8 hundred million yuan竊�he company is one of three main 220kv and extra-high voltage cable manufacturer in china竊�t�� one of two main submarine power and communication cable manufacturer and the main electrical equipment of high and low voltage manufacturer in china竊�