AL-KO Plastics AL-KO Plastics manufactures products by means of the vacuum-forming technique. Our products are manufactured with the most modern thermoforming equipment in the world. Be it mudguards, sun-roof windowpanes, side-protection panels, casings, bonnets, rails, side shells, waste containers or KANBAN transport systems: You tell us your wishes -- we will provide the solution! Individually adjusted workpiece carriers ensure optimum material flow and exact piece-number.