Hebei Saiying Technical Service Co., Ltd., established on 2020-09-24, Business scope includes basic software development.Environmental protection and energy saving equipment,Energy-saving products,Research and development of related products in the field of new energy,Production,Install,maintain,Sales;Energy saving and environmental protection project;Energy saving technology development,Technology Promotion,Technical Services;Information consultation in the field of energy conservation and environmental protection;Contract Energy Management;Self-owned mechanical and electrical equipment rental;Hardware environmental protection products,household appliances,Wire and Cable,Communication equipment and accessories,General Machinery,Instrumentation,Wholesale and retail of chemical products;fixed communication network,Planning of mobile communication network and service product network,design,Install,test,maintain;Network optimization technical service;Communication Systems,Research and development of power environment monitoring system and video monitoring system,production and sales;Software product development and sales;Communication network and computer network system integration(Except for projects subject to approval);Communication and computer network technology services;Steel structure engineering construction;Import and export of goods and technology(country restrictions,Excluding goods and technologies that are prohibited and subject to approval for import and export);Production of electric meters and data acquisition and transmission modules,to develop,Sales;Smart access control system,Development of computer information systems,Production,Sales;Communication equipment rental;communication tower,rod rental,maintenance and installation;IoT product development,Production,Sales;Telecom business agent;Leasing of communication facilities;construction work,Power Engineering,Construction of building mechanical and electrical installation works;Professional contracting of fire protection facilities engineering;air conditioner,Refrigeration Equipment Repair,maintainance;Power product sales;Image Acquisition(cloud shot)Equipment research and development,Production,maintenance and sales;Wireless communication equipment hardware and software system(Contains source class,Passive class)research and development,Manufacturing and sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)