Licensed Projects: Inspection and testing services, Import and export of goods( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business items are subject to the approval results.) General Projects: Engineering and technical research and experimental development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Mechanical equipment research and development, New material technology research and development, New material technology promotion service, General mechanical equipment installation services, Mining machinery sales, Sales of experimental analysis instruments, Research and development of intelligent robots, IoT application services, Testing machine manufacturing, Mechanical parts、 Parts processing, Building stone processing,Labor Services( Excluding labor dispatch)( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)