Tianjin Dirui Technology Co., Ltd.

International Industry Category: Scientific research and technical services

International Industry Major Class: Technology promotion and application services

International Industry Middle Class: 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； Sales of special equipment for oil drilling； Manufacturing of special equipment for oil drilling； Rental Services（ No licensed rental services）； Special equipment repair； Oil and gas technical services； Software Development； Electronic measuring instrument manufacturing； Electronic measuring instrument sales； Instrument sales； Battery Manufacturing； Battery Sales； Battery spare parts sales； Mechanical equipment research and development； Machinery and equipment rental； Hardware product manufacturing； Hardware product retail； Sales of high-performance non-ferrous metals and alloy materials； Non-ferrous metal alloy manufacturing； Non-ferrous metal alloy sales； Electronics sales； Mining machinery manufacturing； Mining machinery sales； Manufacturing of special equipment for geological exploration； Sales of special equipment for geological exploration； Import and export of goods； Solid waste management； Chemical product production（ Does not contain permitted chemical products）；Chemical product sales（ Does not contain permitted chemical products）； Drawing、 Sales of computing and measuring instruments； navigation、 Surveying and Mapping、 Sales of meteorological and oceanographic instruments； Transportation equipment rental services； Building materials sales；Labor Services（ Excluding labor dispatch）；Earthwork construction； Sales of labor protection products； Small and micro passenger car rental services； Urban greening management； Housekeeping service； Construction machinery and equipment rental； Total mass4.5 Road freight transport by ordinary freight vehicles of 2,000 tons or less（ Except online freight and dangerous goods）。（ 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： Mining of non-coal mine mineral resources； Mineral resource exploration； Road freight transport（ Does not contain dangerous goods）； Construction project supervision； Construction project construction（ Except for nuclear power plant construction and operation、 Civil airport construction）； Employment agency activities。（ 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.）

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: -