Guma Tech is Stockists westfalia and Decanter centrifugal oil Separators which are used for cleaning/separating waste oil, oily waste, sludge from refinery tank bottom, fish meal and fish oil, wine and fruit juice, industrial and biological waste-water. Also Guma Tech is the manufacturer of oil recycling machine and equipments which use on ships in engine rooms to purify the oil stored on ships in huge quantities.