Olaer Group manufactures, markets, and distributes hydraulic accumulators, oil coolers, and filters. It provides fluid management solutions, including solutions for energy storage, cooling, and filtration of fluids. The Сompany offers air oil coolers, including AC and DC motors, hydraulic motor driven products, AC motor cooling systems, and accessories; and water oil coolers, cooling and filter systems, oil filters, pumps, pulsation dampers, and pressure switches. It also provides piston, bladder, and diaphragm accumulators.