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Zhang Xiaogang, president of ISO2017-06-23

Frans Vreeswijk, secretary general and CEO of IEC2017-06-23

Chaesub Lee, director of ITU's Telecommunication Standardization Bureau2017-06-23

Wolfgang Niedziella, managing director and chairman of VDE2017-06-23

Bernhard Thies, chairman of the Board of Directors of DKE2017-06-23

Clyde Kofman, COO and Senior Vice-president of UL2017-06-23

Qingdao blue sonata

SCO Qingdao summit

2017 Qingdao International Beer Festival

2017 Qingdao Forum on International Standardization