... system 3, Customized orders are welcomed Electric Sliding Gate -- QUMEI-1B -- PictureElectric Sliding Gate -- QUMEI-1B -- Specifications Model NumberQUMEI-1BMaterialsAluminum-alloyed ... and stop. The head is also double sealed in whole to prevent dust and humidity to prolong its ... with high strength polished stainless steel, with strong quality in hardness, anti-corossion and anti-collision9, Gate vice ...