The Danish company J. Hvidtved Larsen A/S, also known as JHL, was founded in 1915 and produced its first washing tank for a tractor trailer in 1956. The factory produces tank superstructures with various solutions that allow for high-pressure suction, washing and melting of various pipes and containers. Between 1956 and 2008, the factory produced over 1,500 different tank solutions.

Main products: Sewer cleaning.