Daw y newyddion cyn yr araith fawr gan Ken Skates pryd y bydd yn datgan y bydd yn rhaid i Gymru ddatblygu ei heconomïau rhanbarthol a rhyddhau eu potensial i sicrhau twf economaidd cytbwys ar draws y wlad.
The news comes ahead of a major speech by Ken Skates in which he will say that Wales must grow its regional economies and unleash their potential to drive balanced economic growth across the country.