General Projects: Urban rail transit equipment manufacturing, High-speed rail equipment、 Accessories Manufacturing, High-speed rail equipment、 Accessories Sales, Rail transit special equipment、 Sales of key systems and components, Railway locomotive and vehicle parts manufacturing, Railway locomotive and vehicle parts sales, Railway transportation infrastructure equipment sales, Sales of rail transit engineering machinery and parts, Refrigeration、 Air conditioning equipment manufacturing, Refrigeration、 Air conditioning equipment sales, Manufacturing of electrical signal equipment, General equipment repair, Special equipment repair, Electrical equipment repair, Sales of forgings and powder metallurgy products, Mechanical parts、 Parts Sales, General equipment manufacturing( Excluding special equipment manufacturing), Special equipment manufacturing( Excluding licensed professional equipment manufacturing), Testing machine sales, Information technology consulting services, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Domestic trade agent, Sales Agent, Import and export of goods, Technology import and export, Import and export agent。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Railway transportation infrastructure equipment manufacturing。( 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.)