According to the enterprise data, Zhangbei Digital Dam Technology Development Co., Ltd. was established on 20 16-09-20, and its business scope includes the development of cloud computing big data industrial base; Self-owned land lease; Computer data service management and service; Computer software and hardware development; Engaged in technology development, technology transfer, technical service and technical consultation in the fields of information technology, communication equipment, communication engineering, computer software and hardware system and application management technology, and new energy application; Communication engineering services; Property management; Sales of communication equipment, electronic products, electrical equipment, electromechanical equipment, computer software and hardware and accessories; Computer system integration service; Mechanical and electrical equipment installation and maintenance (except special equipment); Value-added telecommunications services; Network engineering services. (Projects subject to approval according to law can only be operated after approval by relevant departments)