Ọkt. 19, 2019, onye isi njikwa PVTECH Karl nabatara nleta Qiyu Lin, onye isi ụlọ akwụkwọ ochie ya.N'oge na-adịbeghị anya, ha na-eleta ndị gụsịrị akwụkwọ na-aga nke ọma tupu ụbọchị ncheta nke ntọala ụlọ akwụkwọ.

Onye isi ala Lin gara ụlọ ngosi ihe ngosi nke PVTECH.

Karl webatara nsọpụrụ na mmezu nke PVTECH nwetara.

Karl dekọrọ vidiyo nke ekele ụlọ akwụkwọ ya.