Most of the power supplies you find on the market are made by a handful of companies like FSP, SeaSonic, Super Flower, CWT, and others. The XG Gold 750 is the first model based on Cooler Master's Thermal Enhanced Platform (TEP), a design that's been under development for some time now. You can expect this PSU in Q1 2019.
The first product based on the new platform is dubbed the XG750, a Gold-rated supply with dynamic RGB lighting that can be used to show load, fan speed or temperature in real time.Some video footage that explores the internals of the XG Gold 750W can be viewed at Hexus.