Yes, Glock makes a number of Compact and Sub-Compact models... In 9mm the Compact is the G19, Sub-Compact G26. In 40S&W the Compact is the G23, Sub-Compact G27 In 45GAP the Compact is the G38, Sub-Compact G39 In .357 sig the Compact is the G32, Sub-C...
Well, Thailand is a third-world country so people will work for pennies there. Not many quality products come from Thailand. I have doubts about your compressors lasting a long time, but hey, who knows, what do i know.
As long as you're not blowing breakers it will work fine. Having a larger tank fed by the two compressors would be better. You'll need a dryer to take any moisture out of the air as well. A little bit of moisture when painting cars can make a big mes...