Where is the headquarters of the GRIN company?

I'm trying to locate the headquarters of a company called GRIN. I've searched for information online, but I'm still not sure where it's exactly located. Could it be in Beijing, considering the presence of Green Group there, or somewhere else like California based on the address mentioned for Grindr? There's also a mention of Grin in the context of an event in Beijing, but I'm not sure if it's the same company. I need a clear answer on the location of GRIN's headquarters.