Founded in 1999, the Qinhuangdao development zone prospect photoelectric technology co., LTD is a high-tech enterprise which develops and manufactures elevator products, such as the Elevator load weighing control system, the elevator earthquake detector, the energy saving device for elevators, the entrance detector of escalators, the elevator earthquake emergency rescue device and the the energy saving device for elevators. It already had 15 independent intellectual property rights. And its products have entered the markets of the main cities of China, USA, France, Lebanon, Portugal, Indonesia, Singapore, Canada and Jordan.