China ESI China 5/F,No.9,Yongxiang North Road, Haidian District Beijing Beijing Shi 100094 China+86(10)-65544907/8+86(10)-65544907/8+86(10)-65544907/8+86(10)-65544911https://www.esi-group.com/cnSubsidiary Shanghai Office 16N Cross Region Plaza 899 Lingling Road Shanghai Shanghai Shi 200030 China+86 (021) 64403476+86 (021) 64403449+86 (021) 64403476+86 (021) 64403449+86 (021) 64403476|+86 (021) 64403449+86 (021) 64403476-23Subsidiary Chengdu Office 1301 Building B, No.8 Liuli Road Lingshiguan Road, Wuhou District Jinjiang Districk Chengdu Sichuan Sheng 610000 ChinaSubsidiary