The SIEGENIA GROUP is a German company with more than 100 years of development history and is today the leading manufacturer of high-grade window and door hardware and new ventilation. The company employs more than 2,800 people in more than 80 countries. With an annual turnover of more than 6 billion RMB, it is one of the largest producers of window and door hardware in Germany and Europe, covering a wide range of materials such as aluminum, uPVC, timber and other types of windows and doors, such as inward-opening, outward-opening, sliding and other types of windows and doors.SIEGENIA entered the Chinese market at the beginning of 2001 and set up a company in Beijing. 2011, in order to expand sales, a new logistics base covering 14,900 square meters was established in Province Hebei, with an office and warehouse area of more than 8,600 square meters.