Zhongdaan Co., Ltd., established on 2000-08-08, Business scope includes engineering supervision,contract,build on behalf of,Engineering Project Management,interior renovation,Engineering cost consulting service,Engineering Design and Consulting Services,Engineering Quality Inspection,Inspection and Supervision,Engineering safety inspection service,Building intelligent engineering detection;Bidding agency,Government Procurement Agent;architecture,Purchase and sale of communication materials and equipment;Consulting service of building information model management technology;Information Network System Integration,software development,sale and transfer,Computer Information Consulting Services;architecture,communication,Computer Technology Consulting,technology development,technology transfer,Technical Services,Technical Training,Technical Contracting,technology intermediary,technology investment;Investment,Consulting and Management;Enterprise management consulting and training,Legal Consulting Services;communication technology,Procurement management consulting and training;account Serive;business management,Intermediary service for project management;Engineering Consulting Services;Street Lighting Equipment,communication device,transmission line,transmission device,security product,Purchase and sale of computer room equipment and network equipment,Installation and Maintenance Engineering;Street lighting and communication infrastructure investment and leasing;Provide investment information services for foreign investors;Engineering settlement service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)