Recently, China Railway No.1 Engineering Group Co., Ltd. (hereinafter referred to as China Railway No.1 Engineering Group) signed a contract to settle in Beijing headquarters base (12 area). China Railway No.1 Bureau is a national large-scale comprehensive construction enterprise, registered in Xi City, Shaanxi Province. Founded in May 1950, the company is one of the earliest large state-owned construction enterprises in China. There are 12 branches and 15 holding subsidiaries. By the end of 2005, the company had 28,458 employees, including 9,426 professional technicians. The company's total assets are 7 1 100 million yuan, and it has 3245 sets of various large-scale mechanical equipment. In 2005, the construction output value reached 654.38+0.087 billion yuan. Since its establishment more than 50 years ago, the company has built a total of 1.24 million kilometers of railway, accounting for one seventh of the new China railway, and also undertaken a large number of municipal construction projects and a number of large and medium-sized foreign-related projects, with construction teams all over the country. Five scientific research achievements reached the international advanced level at that time, and dozens of scientific research achievements were in the leading position in China. Over the years, more than 40 projects have won national and provincial (ministerial) quality awards, and in recent years, they have been successively rated as "national advanced enterprises in building technology progress". (He Fu)