Who ever said Lingxi and Longgang DD Dragon cannot get you a Z visa is a liar. Cangnan DD Dragon Lingxi and Longgang are licensed to employ foreign teachers and provide them with foreign expert certificates. The license number is A2 3330049 you can contact the foreign experts bureau or educational bureau in Wenzhou if you want to make sure. The school has been around 8 years and has 11 foreign teachers, if you want to know about the school talk to the foreign teachers that are currently there at the school. Not some person rambling on the internet.