According to GRvape official website, the brand is exclusively licensed by VMR Products of the United States. VMR is an old Internet electronic cigarette company in the United States. Its V2 brand was once the top three electronic cigarette brands in the United States. At the same time, in the brand introduction page of VMR official website, GRvape electronic cigarette is also introduced.
What really connected GRvape with JUUL was JUUL’s acquisition of VMR shares.
Since VMR belongs to Juul, and GRvape belongs to VMR, GRvape is a subsidiary of Juul as well.