General Projects: shock sensor、 Safety call device( Except for medical use) manufacture、 Sale、 Rental and Repair; shock sensor、 Safety call device、 pump、 Wire and cable research and development; security equipment、 Pump and vacuum equipment manufacturing、 Sale、 Mechanical parts、 Parts processing、 Sale; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion、 Information technology consulting services。 pump, Electronics, Instruments, Firefighting equipment, Wires and cables, Hardware and Electrical, electrical machinery, plastic products, Wholesale of computer hardware, software and auxiliary equipment、 retail; Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval)。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)