1962 10. April 1962 1962 https://justsen.dk/wp-content/uploads/1962/04/1962.jpg 600 410 Justsen Energiteknik A/S Justsen Energiteknik A/S //justsen.dk/wp-content/uploads/2019/01/justsen_logo_1959_rgb.png 10. April 1962 2. October 2019 The first boiler plant for waste wood was sold to Møbelfabrikken Vi Tre in Viby, Denmark.