According to enterprise data, Zhangjiakou Jiayou Construction Development Co., Ltd. was established on 2020-0 1-22, and its business scope includes licensing matters: building demolition (except blasting); Building engineering construction; Interior decoration of residence. (Projects that need to be approved according to law can only carry out business activities after being approved by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments. ) General project: parking lot service; Park management services; Land remediation services; Non-residential real estate leasing; Housing lease; Real estate consulting; Real estate agent; Real estate appraisal; Information consulting services (excluding licensed information consulting services); Conference and exhibition services; Property management; New material technology promotion service; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; General cargo storage services (excluding dangerous chemicals and other items requiring permission and approval); Landscaping engineering construction. (Except for projects subject to approval according to law, independent business activities shall be carried out according to law with the business license)