MPN Windows offer quality double glazing in Port Talbot, Abergwynfi, Blaengwynfi, Bryn, Cymmer, Glyncorrwg, Margam, Taibach, Aberafan, Aberavon, Baglan, Cwmafan, Port Talbot town centre, Sandfields, Neath Port Talbot SA12 – SA13. ✓ Free Online Quotes.