I don't think it necessarily has to do with visa to China. I started receiving a ton of spam calls in mandarin despite never applying for a visa to China or hav

I don't think it necessarily has to do with visa to China. I started receiving a ton of spam calls in mandarin despite never applying for a visa to China or having a partner from China or ordering anything from Chinese services like Alibaba. However, I find it interesting that those calls started shortly after I graduated college and started my first big tech job.