DWT Group Oy, is an innovative company specialized in providing sophisticated range of DEWACO and CAVIA brand equipment & solutions for the sludge and waste water treatment in industries and municipalities. The product range includes a variety of belt thickeners, belt filter presses and chain and flight type sludge and scum collector equipments. Thanks to the recent merger between Dewaco's and Cavia's business operations, one such technique-cavitations technology-is now also an integral component of Dewaco product portfolio. Company head office and production facilities are located in city of Laitila, southwest coast of Finland.