Guangdong Dunjia 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

Mechanical equipment research and development； Manufacturing of special machinery for tunnel construction； Sales of special machinery for tunnel construction； Mining machinery manufacturing； Mining machinery sales； Construction machinery manufacturing； Construction machinery sales； Construction machinery and equipment rental； Special equipment manufacturing（ Excluding licensed professional equipment manufacturing）； Machinery and equipment rental； Special equipment repair； Electrical equipment repair； electronic、 Mechanical equipment maintenance（ Excluding special equipment）； General mechanical equipment installation services； Hydraulic power machinery and components manufacturing； Sales of hydraulic power machinery and components； Mechanical parts、 Parts processing； Mechanical parts、 Parts Sales； General parts manufacturing； New material technology research and development； New material technology promotion service； Retail of computer software, hardware and auxiliary equipment； Industrial control computers and systems sales； Sales of electronic components and electromechanical components； Electrical accessories sales； Metal material sales； Engineering and technical services（ Planning Management、 Survey、 design、 Except supervision）； Engineering and technical research and experimental development； Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion； Import and export of goods； Technology import and export； Electronic measuring instrument manufacturing； Electronic measuring instrument sales； Drawing、 Sales of computing and measuring instruments； Industrial control computer and system manufacturing； navigation、 Surveying and Mapping、 Sales of meteorological and oceanographic instruments； navigation、 Surveying and Mapping、 Manufacturing of meteorological and oceanographic instruments； Metrology technical services； Electrical installation services； Road transport of dangerous goods。（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments）

Chinese Industry Category: Mechanical equipment

Chinese Industry Major Class: Special equipment manufacturing

Chinese Industry Middle Class: Manufacturing of special equipment for mining, metallurgy and construction

Chinese Industry Sub Class: Construction machinery manufacturing