General Projects: Gas compression machinery manufacturing, Gas compression machinery sales, General parts manufacturing, Special equipment manufacturing( Excluding licensed professional equipment manufacturing), Machinery and equipment sales, Mechanical equipment research and development, General equipment manufacturing( Excluding special equipment manufacturing), Mechanical parts、 Parts processing, General equipment repair, Electrical equipment sales, Electrical equipment repair, mold sales, Machinery and equipment rental, Rental Services( No licensed rental services), Petroleum product sales( No hazardous chemicals), Lubricant sales, refined oil wholesale( No hazardous chemicals), Rubber product sales, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Industrial automatic control system device manufacturing, Sales of industrial automatic control systems, Industrial Engineering Design Services,Chemical product sales( Does not contain permitted chemical products), Building materials sales, Manufacturing of arts and crafts and ceremonial supplies( Except ivory and its products), Daily necessities sales, Domestic trade agent, Import and export agent, Conference and Exhibition Services, Technology import and export, Import and export of goods。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)