Beijing Hongsheng Jiayi Science and Trade 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； Conference and Exhibition Services； Hardware product retail； Valves and plugs sales； Electronics sales； Refrigeration、 Air conditioning equipment sales； Instrument sales； Metal material sales； Sales of steel bars for construction； Machinery and equipment sales； Building materials sales；Chemical product sales（ Does not contain permitted chemical products）； Office supplies sales； Daily necessities sales； Door and window sales； Metal door and window construction； Sales of high-performance non-ferrous metals and alloy materials； Sales of metal chains and other metal products； Metal product sales； Metal structure sales； Sales of metal parts for construction； Residential water and electricity installation and maintenance services； General mechanical equipment installation services； Safety technology prevention system design and construction services； Foreign contracting projects； Professional design services； Professional cleaning、 Cleaning、 Disinfection services；Labor Services（ Excluding labor dispatch）； Sporting goods and equipment retail； Sporting goods and equipment wholesale； Import and export of goods； Technology import and export； Import and export agent。（ Except for projects that require approval according to law， Carry out business activities independently in accordance with the law with a business license） Licensed Projects： Construction project construction； Construction project construction（ Except for nuclear power plant construction and operation、 Civil airport construction）； Installation of civil air defense protection equipment； Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing； Residential interior decoration； Installation, modification and repair of special equipment； Construction Engineering Design； Construction labor subcontracting； Construction Engineering Survey。（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments， The specific business projects are subject to the approval documents or licenses of relevant departments.）（ Not be allowed to engage in business activities of projects prohibited or restricted by national and municipal industrial policies。）

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: Technology promotion services