Beijing Changlin 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； Network Technology Services； Foreign contracting projects； Sales of distribution switch control equipment； oil refining、 Sales of special equipment for chemical production； Industrial Engineering Design Services； Special equipment repair； Environmental consulting services； Sales of special instruments for environmental monitoring； Sales of special equipment for environmental protection； Sales of electronic components and electromechanical components； Sales of special electronic equipment； Energy-saving management services； General mechanical equipment installation services； Home appliance sales；Household appliance repair； Hardware product retail； Machinery and equipment sales； Wastewater treatment and recycling；Chemical product sales（ Does not contain permitted chemical products）； Sales of water pollutant monitoring and detection instruments； Sales of ecological and environmental materials； Lightweight building materials sales； Retail of computer software, hardware and auxiliary equipment； Building materials sales； Supply of commercial instruments and meters；Sales of electrical instruments and meters； Stationery retail； Sales of smart instruments； Daily necessities sales； Retail of arts and crafts and collectibles（ Except ivory and its products）； Engineering and technical services（ Planning Management、 Survey、 design、 Except supervision）； Auto parts retail； Import and export of goods； Technology import and export； Import and export agent； Non-residential real estate rentals； Property Management； Property service evaluation； Housekeeping service。（ 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 Engineering Design； Construction project construction； Construction Engineering Survey； Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing； Construction labor subcontracting； Residential interior decoration； Accommodation Services。（ 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 services

Chinese Industry Sub Class: -