If money is no object to afford the best quality inverter welding machine, for inverter or transformer then Miller or Lincoln brands welding inverters are worthy.
Both brands offer 3 year warranties and as well service centers all throughout the US. Most of the experts prefer Miller for small and advanced tech machines.
The great thing about these brands is that you will easily get on many countries’ markets such as South Africa, India, the USA, the UK, and many more.