'Tata should build on the experience and quality of the workforce at Port Talbot and other Corus plants in Britain and get the best from their new investment, but there remains uncertainty over their longer term plans.' Coun Llewelyn called on the Welsh Assembly Government to move quickly to establish a good working relationship with the new owner. He said: 'Tata Steel will now be a major employer in Wales and the Assembly needs to be active in securing long-term commitments for Port Talbot and the other Welsh steel plants.'