Sichuan Chengyu Technology Co., Ltd

International Industry Category: Scientific research and technical services

International Industry Major Class: Research and experimental development

International Industry Middle Class: Engineering and technology research and experimental development

International Industry Sub Class: Engineering and technology research and experimental development

Mechanical Engineering Research； Professional repair of communication transmission equipment； Manufacturing of communication transmission equipment parts； Sales of communication equipment（ Excluding wireless broadcasting and television transmission and satellite ground receiving equipment）； Program-controlled switch manufacturing； Communications equipment retail（ Excluding wireless broadcasting and television transmission and satellite ground receiving equipment）； Short-range wireless communication equipment manufacturing； Power microelectronic component manufacturing； Home electronics repair； Software Development； Information system integration and Internet of Things technology services； Computer hardware and software and network technology、 Electronic information and information technology processing、 System Integration、 Development of communication technology、 transfer、 Consulting Services；Communication terminal equipment manufacturing； Electronic engineering installation services； Information technology consulting services； Information processing and storage support services； Computer hardware and software and network technology、 Development of communication technology、 transfer、 Consulting Services； Department Store Retail； Energy Science and Technology Research； Big Data Services（ Excluding licensing and investment and financial services）； Internet of Things Technology Services； Selling electronic products； Sales of electronic components； integrated circuit design； integrated circuit manufacturing； Electron beam optoelectronic device manufacturing； Domestic trade agency services； Import and export of goods、 Technology import and export（ Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval）。（ The above industrial sectors are limited to branches operating in industrial parks）（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments） 。

Chinese Industry Category: Business Services

Chinese Industry Major Class: Scientific research and technical services

Chinese Industry Middle Class: Technology promotion and application services

Chinese Industry Sub Class: Intellectual Property Services