2021 Shandong
2020 Beijing
2021 Shenzhen
2021 Shenzhen
2020 At RCEES, Beijing
2019 Qingdao
2019 At RCEES, Beijing
2018 At RCEES, Beijing
2018 Shantou
2018 Guangzhou
2018 At RCEES, Beijing
2017 Duolun Sampling
2017 Beijing
2016 At RCEES, Beijing
2016 At Tsinghua University
2016 Chongqing
2016 Changsha
