A Bilevel Programming Location Approach to Regional Waste Electric and Electronic Equipment Collection Centers: A Study in China

Table 6

The business links between collection centers and recycling agencies/stations.

Collection centers	Recycling stations	Group volume
2	0, 5, 6, 7,13, 32, 33	677
7	2, 4, 8, 10, 14, 18, 31	723
8	19, 22, 28, 29, 34, 37	548
10	1, 9, 12, 17, 23, 30	749
14	11, 16, 21, 24, 25, 27, 38, 39	799
16	3, 15, 20, 26, 35, 36, 40, 41, 42, 43	898