Established in August 2000 TSTL are a Joint venture company between Rolls-Royce and Chromalloy. Building on the strengths of both parent companies. Rolls-Royce with its innovation of new coatings and strong market, and Chromalloy with its proven production implementation and knowledge. TSTL is a centre of excellence specialising in coatings for Gas Turbine components located in the hot gas path section of the Engine. TSTL is part of the Rolls-Royce Turbine Components Supply Chain, specialising in HP & IP Blades and HP & IP Nozzle Guide Vanes (NGVs).