China Sida International Economic and Technical Cooperation Co., Ltd. (China Sida for short) was established in March 1986. China is one of the earliest enterprises engaged in foreign-related human resources services. Formerly directly under the Ministry of Labor and Social Security, it has developed into an international company that develops and serves comprehensive human resources. Mainly engaged in international labor service cooperation, foreign affairs service, talent exchange at home and abroad, education and vocational training services, consulting services, magazines for going abroad and employment, etc. , integrating trade, tourism and industrial development. 20 1 1 China Starr first put forward the theory of "improving human efficiency" in the field of human resources services in China, which caused a great sensation in the business circles at home and abroad, and created a precedent for the study of human efficiency in China enterprises.