Licensed Projects: civil aircraft( engine、 propeller) Production, Design and production of civil aircraft parts。( 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.) General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Technology import and export, Import and export of goods, Import and export agent, Electronics sales, Communications equipment sales, Sporting goods and equipment wholesale, Sporting goods and equipment retail, Instrument sales, Mechanical parts、 Parts Sales, Machinery and equipment sales, Wholesale of computer hardware, software and auxiliary equipment, Retail of computer software, hardware and auxiliary equipment, Rental Services( No licensed rental services), Machinery and equipment rental, Electrical equipment repair, electronic、 Mechanical equipment maintenance( Excluding special equipment)。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)