Beijing Yiyi Technology Co., Ltd.

International Industry Category: Scientific research and technical services

International Industry Major Class: Technology promotion and application services

International Industry Middle Class: Other technology promotion services

International Industry Sub Class: Other technology promotion services

General Projects： Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion； Manufacturing of special equipment for environmental protection； Ecological and environmental material manufacturing； Wastewater treatment and recycling； Sales of ecological and environmental materials； Water pollution control； Sludge treatment equipment manufacturing； Water environment pollution prevention and control services； Manufacturing of special machinery and equipment for water resources； Environmental emergency technology and equipment manufacturing； Energy-saving management services； Ecological resource monitoring； Technology intermediary services； Ecological restoration and ecological protection services； Sales of special equipment for environmental protection； Sales of environmental emergency technology and equipment； Domestic waste treatment equipment manufacturing； Sales of domestic waste treatment equipment； Environmental protection monitoring； Manufacturing of special instruments for environmental monitoring； Sales of special instruments for environmental monitoring； Specialty chemical product sales（ No hazardous chemicals）； Sales of water pollutant monitoring and detection instruments； Sales of marine water quality and ecological environment monitoring instruments and equipment；Manufacturing of water pollutant monitoring and detection instruments； Machinery and equipment sales； General equipment repair； Special equipment repair； Electrical equipment repair； Communications equipment repair； electronic、 Mechanical equipment maintenance（ Excluding special equipment）； Environmental consulting services； Engineering Management Services； General mechanical equipment installation services； Import and export of goods； Technology import and export。（ Except for projects that require approval according to law， Carry out business activities independently in accordance with the law with a business license）（ Not be allowed to engage in business activities of projects prohibited or restricted by national and municipal industrial policies。）

Chinese Industry Category: Environmental friendly

Chinese Industry Major Class: Environmental protection equipment manufacturing

Chinese Industry Middle Class: Manufacturing of special equipment for environmental pollution prevention and control

Chinese Industry Sub Class: Solid waste treatment equipment manufacturing