Qinhuangdao Development Zone Prospect Tech Co., Ltd founded in 1999, is a new high technology enterprise, specialized in researching, developing, manufacturing and selling of elevator weight-load system, elevator IC intelligent management system and the like of elevator dynamic static state data record management system and the like of elevator fittings. There are more than 100 experienced staff members including R&D persons, engineers and administrators who do their utmost to offer prompt, efficient and overall services for customers. Our company manufactures six kinds of productions that hold autonomous. Our company manufactures six kinds of production that hold autonomous intellectual property rights and has established long-term friendly cooperation with over one hundred exactly elevator manufactures in China and abroad. Prospect Photoelectric Company insists on the management theory of creating future with science and technology, and the R&D idea of cooperating, sharing, thinking and innovating all the time. We try our best to satisfy customers all the technical demands improve production technology content continuous, research and develop the production of advanced field. So our company has gained good public praise and our production sells to all over the world. The Prospect DTZZIII type controller has provided accurate weighing for Bailing Sightseeing Elevator in Zhangjiajie, which is known as the first highest elevator in the world. And this type controller also has provided accurate explosion-proof weighing for Shenzhou NO.5 airship launcher. In the year of 2003, the Prospect Photoelectric production process passed the ISO9001:2000 quality management system certificate and the Prospect Company were asserted as the new & high technology enterprise in Hebei province in 2004, nay, as well as the double-software authentication enterprise. And our production was asserted as the new & high technology production in Hebei province. In September of 2004,the Prospect Photoelectric digital elevator weight-load controllers was awarded the "science and technology achievement certificate of Hebei province "by the science & technology office of Hebei province and also was published on the list of "national undo new product program project" by the science & technology bureau of China in June of 2005.