Does Datong Guotian Property belong to state-owned enterprises?

Don't belong. According to official website of Guotian Property Management Development Co., Ltd., the business scope of Guotian Property Management Development Co., Ltd. includes property management, office rental, department store sales, hardware and electric materials, chemical products (excluding dangerous chemicals), electromechanical equipment, arts and crafts, furniture, building materials, knitted textiles, metal materials, computers and external equipment, technology development and technology transfer, and personnel training for private enterprises. Therefore, Datong Guotian Property does not belong to state-owned enterprises.