MPN Cwmbran Newport |Wales A trusted network of independent local installers of VEKA UPVC Windows, Doors and Conservatories. Designed and Manufactured in the UK. Worldwide, the name of VEKA has become known for the best in PVC-u windows it is one of the biggest manufacturers as well as one of the most advanced properties in double and triple glazing for Cwmbran and Newport, South Walesf.