
2009 Hefei National Conference

2011.10 Fiera di Canton

2012.10 Conferenza Naziunale di Shenyang

2015.10.26 Cunferenza Naziunale di Qingdao

2016.10.26 Wuhan National Conference

2018.10.25 Wuhan National Conference

2016.10.27 Wuhan National Conference

2019.10.29 Qingdao National Conference
