Some of the best-selling CNC press brake machines include:
-Amada
-Trumpf
-Bystronic
-Haco
-LVD
-Murata Wiedemann
-Ermaksan
-Durma
-JMT
-Cincinnati Inc.

Please note that the popularity of a CNC press brake machine can vary by region and the specific needs of the customer. It is best to research and compare different models to find the one that best suits your needs.