My situation was different but problematic. I contacted Best Friend Visa (on LINE). Paid 4500 baht and 24 hours later had my non-o immigrant visa. They do consultation free of charge. Good luck!
“Chiang Mai Immigration has launched a Chinese aid center to assist Chinese nationals who are stuck in Chiang Mai due to the Wuhan coronavirus. The center is designed to provide visa advice and other information as well as advice on medical services if any are sick.”