Founded in 1936, it is a large-scale precision machine tool supplier, mainly engaged in the research, development, design, production and sales of horizontal, large-scale CNC floor-standing, gantry and other boring and milling machines.

The former name of Shenji Group Kunming Machine Tool Co., Ltd. was the Central Machinery Factory established in 1936; it was renamed Kunming Machine Tool Factory in 1953; it was officially registered and established on October 19, 1993, and it was a company that was listed at the same time at home and abroad. In 2000, it implemented a strategic asset restructuring with Xi'an Jiaotong University Industry (Group) Corporation; on March 29, 2002, it was renamed as Jiaotong University Kunming Machinery Technology Co., Ltd.; on September 15, 2005, the company's largest shareholder, Dongxi An Jiaotong University Industry (Group) Corporation and Shenyang Machine Tool (Group) Co., Ltd. signed an equity transfer, and Shenyang Machine Tool (Group) Co., Ltd. all acquired shares held by Xi'an Jiaotong University Industry (Group) Corporation and became the company's largest shareholder; on October 24, 2007, it was announced that it was renamed as Shenji Group Kunming Machine Tool Co., Ltd.

On January 25, 2007, the Ministry of Commerce approved the company's equity split reform plan. After the implementation of the above plan, the company's total share capital has been changed from 245,007,400 shares to 283,243,255 shares. In April 2007, the company's shareholders Shenyang Machine Tool (Group) Co., Ltd. and Yunnan State-owned Assets Management Co., Ltd. jointly proposed the company's capital reserve fund to increase capital, and the plan was implemented after approval by the commerce department. Since then, the company's total share capital has been changed to 424,864,883 shares, with a registered capital of RMB 424,864,883, of which: Shenyang Machine Tool holds 106,578,219 shares, accounting for 25.08% of the company's total share capital; Yunnan State-owned Assets Operation Co., Ltd. holds 47,018,331 shares, accounting for 11.07% of the company's total share capital; Kunming Jinghua Company holds 26,414,550 shares, accounting for 6.22% of the company's total share capital; A-share public shares holds 132,137,933 shares, accounting for 31.10% of the company's total share capital; H-share public shares holds 112,715,850 shares, accounting for 26.53% of the company's total share capital.

In July 2009, the State-owned Assets Supervision and Administration Commission of the State Council approved the implementation of the 2006 equity split reform plan, and Kunming Jinghua Company's equity nature was converted into circulating shares. The company's capital structure has changed to: 424,864,883 common shares, of which Shenyang Machine Tool (Group) Co., Ltd. holds 106,578,219 shares; Yunnan State-owned Assets Operation Co., Ltd. holds 47,018,331 shares; and the public holds 158,552,483 shares.

In October 2009, according to the approval of the State-owned Assets Supervision and Administration Commission of the State Council, the company's second largest shareholder, Yunnan State-owned Assets Management Co., Ltd., was transferred to the company's 47.0183331 million shares held by the company's second largest shareholder, to be held by Yunnan Industrial Investment Holding Group Co., Ltd., and it will perform its duties as a state-owned asset investor.

In July 2010, the Department of Commerce approved the company's capital reserve fund conversion plan. After the implementation of the above plan, the company's total share capital has been changed to 531,081,103 shares and the registered capital has been changed to 531,081,103 yuan, of which: Shenyang Machine Tool (Group) Co., Ltd. holds 133,222,774 shares, accounting for 25.08% of the company's total share capital; Yunnan Industrial Investment Holding Group Co., Ltd. holds 58,772,913 shares, accounting for 11.07% of the company's total share capital; A-share public shares hold 198,190,604 shares, accounting for 37.32% of the company's total share capital; H-share public shares hold 140,894,812 shares, accounting for 26.53% of the company's total share capital.

The company's main business is to develop, design, manufacture and sell horizontal boring machines, large CNC floor-standing milling and boring machines, gantry boring and milling machines, planer boring and milling machines, coordinate boring machines, horizontal boring and milling machining centers, precision rotary workbenches and other products. The market share of leading products accounts for more than 30% of the national market. The company has developed more than 200 new products.

During the 12th Five-Year Plan period, the company will continue to adhere to the development direction of machine tool products of "large-scale, precision, composite, and complete sets", and carry forward the Kunji precision manufacturing tradition in accordance with the guiding ideology of "carrying forward traditions, maintaining characteristics, adjusting and transforming, and becoming stronger and bigger", and the working principle of "technical innovation as the core, adjusting and transforming as the main line, and paying equal attention to scale and benefits".