Welcome to UD. Riau Teknik. We are a company that established since 2000 engaged in industrial Fittings, Valves, Refractory, Elbow Fitting, Flange, Ball Valve. We were in Jl. Riau No. 108, Kampung Bandar, Senapelan. Discover the variety of our best products (Rockwool, Sambungan Pipa, Katup Valve, Refractory, Alat Safety, Pressure Gauge) with quality and the best price you can get.