Fortune China 500, a listed company, is a subsidiary of China Coal Science and Industry Group, focusing on construction machinery development and engineering construction contracting business, focusing on the development, manufacturing and system integration of mining equipment/coal washing equipment

Tiandi Technology Co., Ltd., a subsidiary of China Coal Science and Industry Group Co., Ltd., is a joint stock limited company established in March 2000 by China Coal Research Institute as the main sponsor. The company's A-shares were listed on the Shanghai Stock Exchange on May 15, 2002, stock code: 600582.

China Coal Science and Industry Corporation Co., Ltd. was approved by the State Council and established in June 2008 by the merger of China Coal International Engineering Design and Research Institute and China Coal Research Institute, and is a central science and technology enterprise directly supervised by the State-owned Assets Supervision and Administration Commission of the State Council. On December 31, 2008, with the approval of the State-owned Assets Supervision and Administration Commission of the State Council, the shares of Tiandi Company held by the China Coal Research Institute were transferred to China Coal Science and Industry Group Co., Ltd. free of charge.

The company's main business includes: mine production process automation, mechanization, information equipment development, manufacturing and system integration; coal washing equipment development, manufacturing and general contracting of coal preparation plant engineering; storage and transportation, rapid quantitative loading of complete sets of equipment and general contracting of projects; development of underground special construction technology and construction contracting of underground special construction; Technical services, technical consulting and coal mine operation for efficient coal production.

By the end of 2015, the company had a total of 23,762 employees, including 8,647 professional and technical personnel; 2 academicians of the Chinese Academy of Engineering; There are 264 doctors, 2,839 masters, and 5,910 undergraduates.

Since its establishment in 2000, the company has achieved more than 2,700 scientific and technological achievements, more than 600 scientific and technological progress awards at or above the national and provincial levels, 1,904 patents (including 547 invention patents), and 492 software copyrights.

The company has established a standardized corporate governance structure and a scientific decision-making system, carried out three system reforms of labor, employment and personnel, and established an incentive mechanism to adapt to the company's development. The company passed the ISO9001 quality management system certification in 2001.