General Projects: Gas compression machinery manufacturing, Pump and vacuum equipment manufacturing, Industrial automatic control system device manufacturing, General equipment manufacturing( Excluding special equipment manufacturing), Pneumatic power machinery and components manufacturing, Mechanical equipment research and development, Sales of pneumatic power machinery and components, Gas compression machinery sales, Machinery and equipment sales, Electrical equipment sales, Pump and vacuum equipment sales, Metal material sales, Mechanical parts、 Parts Sales, Lubricant sales, Energy Performance Contracting, 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)