Group 1 - The company Tianma Zhikong (688570.SH) announced plans to establish a joint venture company, Kegong Chengtai Company, in Xi'an, Shaanxi Province, with its controlling shareholder, Tiandi Technology Co., Ltd., and its subsidiaries [1] - The registered capital of the joint venture is set at 2 billion yuan, and it will serve as the main entity to invest in and construct the "Major Intelligent Complete Equipment R&D Center Project for Coal Mines" [1] - The total investment for the project amounts to 3.545 billion yuan, with the company contributing 354 million yuan from its own funds, representing a 10% ownership stake in the joint venture [1]