Platform Screen Door (PSD) Auto Platform Gate (APG) Platform Screen Door & Automatic Platform Gate We provide the design, manufacture, installation and test services the platform screen door and other transportation safety equipments with reasonable price and good quality. Totally-enclosed type Platform Screen Door (PSD): mainly applicable to all kinds of station platform for subway, general underground railway, rail transit. Automatic Platform Gate (APG): widely used in all kinds of station platform for metro, rail transit lines, passenger railway, highway, railway and High speed traffic lines. Various Accessories: door machine, door post, top box, structure member, transmission parts, cutting parts, weldments, optical fiber communication equipments, computer equipments, cables, cabinets, belts, LCB, monitor equipments, AFC system, etc