According to enterprise data, Jincheng Jindi Tiandi Coal Machinery Equipment Co., Ltd. was established on 2010-1-23, and its business scope includes the production, manufacture and maintenance of roadheader. Sales of mine mechanical and electrical equipment, electrical products, complete sets of hydraulic equipment, mechanical and electrical products and accessories (excluding cars); Equipment leasing; Technical development and service of mine electromechanical equipment; Equipment maintenance; Installation and service of complete sets of mine electromechanical equipment (the above-mentioned projects subject to approval according to law can only be carried out after approval by relevant departments) * * *