PV3.0 era event jointly organized by Longi Solar and Solar Journal was held grandly in Osaka,Japan on 20 September,2017, former Japanese Prime Minister Mr.Naoto Kan was invited to attend the launch event and deliver a key-note speech,to praise for Longi Solar PV 3.0 era and 300W+ high performance single component.METI,RTS,Dupont,Huawei,TUV Rheinland,AON etc. government agencies and partners delivered speeches.