expatiates appropriate working temperature for steel and alloy parts of super-cryogenic valves,cryogenic valves and kinds of high temperature valves used in the fields of petrochemical,chemical industry and electrical power industry.

With the development of foreign communication,the depth an width of foreign affairs in hospital has been enlarged.

Universities promoted from colleges should make the very opportunity to accelerate the development in introducing foreign talents,advancing international exchanges and cooperation,training a good foreign affairs cadre team etc.