The largest number of jobs:
Beijing 27
Baigou 1
Chongqing 1
Dalian 2
Dongguan 1
Guangzhou 16
Hangzhou 2
Harbin 1
Heihe 1
Hong Kong 3
Kaili 1
Putian 1
Sanya 3
Shanghai 11
Shenyang 1
Shenzhen 5
Suifenhe 3
Suining 2
Tianjin 1
Urumqi 1
Wuhan 2
Yiwu 11
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