| | Classification schemes | Cities |
| | Six groups (recyclables, kitchen waste, hazardous waste, decoration wastes, bulky waste, and other) | Qingdao | | Five groups (a) (recyclables, kitchen waste, hazardous waste, bulky waste, and other) | Fuzhou | | Five groups (b) (recyclables, kitchen waste, hazardous waste, compostable, and other) | Chengdu | | Four groups (a) (recyclables, hazardous waste, wet waste, and dry waste) | Shanghai | | Four groups (b) (recyclables, kitchen waste, hazardous waste, and other) | Guangzhou, Jinan, Tianjin, Shenzhen, Hangzhou, Ningbo, Dalian, and Nanjing | | Four groups (c) (recyclables, kitchen waste, hazardous waste, and nonrecyclable) | Changsha and Shijiazhuang | | Four groups (d) (recyclables, hazardous waste, nonrecyclables, and glass) | Haikou | | Three groups (a) (recyclables, kitchen waste, and other) | Beijing, Xiamen, and Nanning | | Three groups (b) (recyclables, hazardous waste, and other) | Kunming | | Bisection method (a) (recyclables and nonrecyclables) | Chongqing, Changchun, Guiyang, and Nanchang | | Bisection method (b) (dry waste and wet waste) | Hefei |
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