hanghai Boerkang Vacum Electron Co., ***** one famous company in China, which is focus on design, development, producing and ***** has already passed the ISO 9001 ***** company is the member of Chinese Vacuum Society and The Net of chinese Vacuum Technical ***** has many engineers who are very professional in vacuum electron developing ***** are using the advanced precision instruments, detection apparatus and special equipments continuously, to assure the quality of their products reliable and ***** now, the company has nine series and more then 30 specification products, such as the models RS, RD, RB, 2RB, RE, RL, ZW, 2X, 2XZ and so ***** have already passed the CCC and CE certification and obtained high reputation in the market. The products of Boerkang are widely used in some different areas, such as the industry of refrigeration, reparation for automobile air conditioner, printing, chemical industry, lighting, electron, medical instruments, food packaging, experiment equipments, teaching instruments vacuum packaging, etc