MPN Windows Doors and Conservatories – Port Talbot. Suppliers Installers and fitters offering the very best value quality affordable double/triple/glazed/glazing A-Rated wnwrgy save saving windows and more from your local recommended company near you/me in NPT. Address: Glyncorrwg Industrial Estate, Units 5,6 & 7, Glyncorrwg, Port Talbot SA13 3EA, United Kingdom.