This is industrial 3D model tank tightness testing lineThis is a set of fuel tank sealing test assembly line, which uses vacuum to test the sealing performance of the fuel tank. Fuel tanks are traferred through the conveyor belt, and substandard products are removed by worke.Industrial use: EquipmentDesign software: SolidWorksVeioedit:2014file format:step (stp) Sldprt