You could set up a Tor bridge with an obfs4 pluggable transport. That works even in China, because it resists DPI and probing. Does your VPN protocol resist pro

You could set up a Tor bridge with an obfs4 pluggable transport. That works even in China, because it resists DPI and probing. Does your VPN protocol resist probing? If not, that may be how they are blocking it. Also if the government goes hard enough on manually requesting Tor bridges, you will have to distribute bridges yourself (which you seem to already be doing with VPN server addresses).