DEPER is founded in 2001, the head office is located in Hongqiao lnternational Finance Center in Shang hai,and the production base is near to Shanghai in Dongtai economic development zone in JiangSu prov ince. The factory is more than 68000 square meters,the standard workshop is about 31000 square me ters, and there are more than 300 staffs, includes technical development engineers and QC team totally more than 20%. DEPER communicate and cooperate with colleges in China and world famous automatic door companies perennially,and built a complete integrated management system for production, study and research, DEPER has a number of invention patents and utility model patents, at the same time.