Bi-fold gates, also known as speed gates, which use a smart Technology, according-like structure to accelerate for opening and closing. These gates occupy very less space they enable you to completely seal off your entry point to maximise security. Our Trackless Bi-folding speed gate comprises a unique drive mechanism to control the opening and closing of a bi-folding set of gates. Th... https://aacessautomation.com/automatic-bifolding-gate.html