PT. OSA Industries Indonesia Established in Indonesia in April 1994. PT OSA Industries Indonesia is qualified to repair all types of manufacturer’s Valves up to 42 inch , Control Valves and Safety Relief Valves up to 24 inch ANSI CL 2500. Regardless of a plant’s location or valves manufacturer, PT OSA Industries Indonesia provides outstanding 24 hours / 7 days service in Indonesia and assures quality repair work without delay.PT OSA Services Division, It is a dedicated Valve repair facility to repair, recondition, and test valve. PT OSA Valve Division provide Various Valves Inventory and supply.Our service workshop is currently located at Kota Delta Mas Greenland Cikarang Pusat. It has a total area of 972 m2 and is equipped with modern grinding, lapping machining and testing equipment.