"韩清凯" . "韩清凯" . . "Qingkai"@en . "Sun wei" . "韓清凱" . "qing" . "qing Han qing kai" . "1969" . "Qingkai Han"@en . . "Han"@en . "Han qing kai" . "韩淸凯" . "韓清凱" . "韩清凯" . "韩淸凯" . . "Sun wei" . . .