Elevator Co., Ltd. Shandong quick series of lifts also uses advanced computer (PLC) control, the new structure, advanced structure is safe, reliable, stable, easy to operate, the car and the hoistway door utilizes the hairline stainless steel, luxurious appearance. Widely used in hotels, restaurants, and other units. ? ※ ※ debris elevator control system adopts the standard configuration of computer · PLC control ※ guide the use of cold-drawn T-rail ※ special aluminum doors slide to slide ※ car, landing door, door pockets, call hairline stainless steel panels used in all ※ layer using safety door interlock switch contacts ※ layers door with locking device, with double security protection with outbound ※ floor instructions, door switch status indicator, and layer selection prompt arrival instructions