Production, sales and technical consulting services: motorcycle parts and auto parts (excluding engine production); sales: metal materials; renting of self-owned houses (excluding accommodation); water, electricity and gas collection services; property management (licensed projects must obtain relevant administrative licenses before they can be operated); import and export of goods (excluding national prohibited or restricted import and export items); warehousing services (excluding hazardous chemicals); general freight (can only operate after obtaining relevant administrative licenses). **[Projects that require approval according to law can only be carried out with approval from relevant departments]