Founded in 1999, the Qinhuangdao Development Zone Prospect Photoelectric Tech Co., Ltd is a high-tech enterprise which develops, manufactures and sells elevator products, such as the energy saving device for elevators, the remote supervisory and management system for elevators ,the IC card management system, the elevator load weighing control system, the elevator earthquake detector, the entrance detector of escalators, the elevator motherboard, products of building electronic, products of eart