Hunan Xinyuan Chain Zhixian Technology Co., Ltd.

International Industry Category: Scientific research and technical services

International Industry Major Class: Research and experimental development

International Industry Middle Class: Natural science research and experimental development

International Industry Sub Class: Natural science research and experimental development

Research on building materials； Urban and rural planning preparation； Construction engineering survey； Environmental supervision of construction projects； Professional contracting of building decoration and decoration engineering； Processing mortar、 plaster； Plastering； Masonry； Highway Sign Technical Services； Direct drinking water project design、 construction； City image planning； Brand promotion marketing； Metal structure design services； Construction site quality inspection； Public facility safety monitoring services； Construction project inspection； Environmental protection monitoring； Basic geological survey； Engineering and technical research and experimental development； Computer Science and Technology Research Services； Robot development； Research on electronic products and accessories； Research on Computer Detection and Control System； New material technology promotion service； Energy-saving technology promotion services； Information and electronic technology services； Environmental protection technology promotion services； Technology intermediary services； Science and technology information consulting services； Technical support services for technology companies； High-tech entrepreneurship services； Natural science research and experimental development； Biotechnology Extension Services； Real estate development and operation； Metal material processing； Import and export of goods or technology（ Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval）； Urban Plan、 Construction Project、 Building decoration engineering、 Environmental Protection Engineering、 civil air defense projects、 City Image、 Engineering Survey and Design； Construction of gypsum mortar machinery； Intelligent technology、 Permeable concrete、 CNC technology、 Recycled building materials、 Research and development of LCD screens； Technology project agency services、Tendering Services； Electronics、 Hardware and electrical products、 LCD production； Electronics、 Metal materials、 Hardware and electrical products、 LCD screen、 Sales of electronic components； Computer application electronic equipment、 Manufacturing of power electronic components。（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments）

Chinese Industry Category: Construction Industry

Chinese Industry Major Class: Architectural Design and Services

Chinese Industry Middle Class: Engineering Survey and Design

Chinese Industry Sub Class: Engineering survey services