General Projects: Sewing machinery manufacturing, Machinery and equipment sales, Mechanical equipment research and development, Motor and control system research and development, Special equipment manufacturing( Excluding licensed professional equipment manufacturing), General equipment manufacturing( Excluding special equipment manufacturing), Intelligent basic manufacturing equipment manufacturing, Mechanical parts、 Parts processing, Special equipment sales, Mechanical parts、 Parts Sales, Special equipment repair, General equipment repair, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Technology import and export, Import and export of goods, Biomass pellet fuel sales,Biomass energy technology services, Biomass fuel processing( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)