hi-tech enterprise to be approved by Ministry of Science and Technology and China Academy of Sciences and one of the 500 largest enterprises in electron and communication equipment, which mainly produces electro-vacuum devices, high and low-voltage assembly of distribution and fire-fighting safety products. It has passed the Quality System Accreditation of ISO 9001 and was listed on the stock exchange in Shanghai on Nov. 20th 2002. The company , which has a perfect system on researches , production and sale, is located at Xindu industry development zone in Chengdu. Now its total assets values 490 million Yuan, there are more than 1800 employees, including about 600 technical specialists, and 11 administrative department, one technology centre of province grade, 9 production branch factories and one controlling sub-company. The company has a long history of producing electro-vacuum device. Main products have four serious:(1) ceramic-metal transmitting tubes, including high power broadcasting and communication transmitting tube, VHF/UHF TV transmitting tube, microwave triode and tetrode, industry heating tube.(2) ceramic-metal and glass vacuum interrupters with their rated voltage 380-35KV, rated current 300-4000A, rated short-circuit breaking current 12.5-50KA.(3) high and low-voltage assembly of distribution and electrical appliance element.(4) fire-fighting safety products, including computer-controlled system for fire alarm and fire-fighting(emergency lamp of fire-fighting and ultraviolet and ultrared-violet compound detector), command system of "119" city fire-fighting management net, industry measurement and control system with computer, ultraviolet fire monitor serious. The products have been sold all over the country, also sold to American, Brazil, Germany, Italy, Britain, India, Singapore, alasia, South Korea and South-east Asia, and the company enjoys good prestige at home and abroad.