The registered address of chininingkoyu coal mine machinery equipment, ltd., is located in room 3a1686, 3rd floor of the yiyang street, taibian west road, tandong province, with the registration authority being the market supervision authority for the city of chiinen, with legal representatives representing li xing, on general items: sale of mine machinery; manufacture of mine machinery; sale of railway transport equipment; sale of smart storage equipment; sale of smart material handling equipment; sale of smart infrastructure equipment; sale of mechanical equipment; sale of mechanical electrical equipment; sale of spare parts; sale of electrical equipment; sale of spare parts for railway rolling vehicles; sale of high iron equipment; sale of spare parts; sale of agricultural, forestry, spin-off, fishing professional machinery; sale of agricultural machinery; installation of general machinery; sale of specialized instrument instruments for environmental monitoring; sale of smart farm equipment; sale of specialized equipment for environmental protection; sale of equipment; sale of mechanical parts, spare parts; manufacture of firefighting equipment; sale of spare parts; sale of electrical equipment; sale of electrical equipment instruments; sale of equipment and technical advice on the sale of software; sale of mechanical equipment; sale of software technology technology; sale of (except for projects subject to legal authorization, operating on an autonomous basis under a business licence): internet information services. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)