General Projects: Auto parts and accessories manufacturing, Auto parts wholesale, Auto parts retail, bearings、 Gear and transmission component manufacturing, bearings、 Gear and transmission parts sales, Sales of high-speed precision gear transmission devices, Gears and gear reduction、 gearbox manufacturing, Gears and gear reduction、 Transmission Sales, Mechanical parts、 Parts processing, Mechanical parts、 Parts Sales, Rail transit special equipment、 Sales of key systems and components, Railway transportation infrastructure equipment sales, General mechanical equipment installation services, Land use rights lease, Housing rental, Non-residential real estate rentals, Machinery and equipment rental, Transportation equipment rental services, Enterprise Management, Enterprise Management Consulting, Information consulting services( No licensing information consulting services), Conference and Exhibition Services, 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) 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.)