Dorrenhaus was originally founded in 1872, is a high-end Germany gating hardware brand. As early as the beginning of 1980's, Dorrenhaus entered into Chinese market, and supplied numerous households in China with high quality hardware products. On Oct. 10th, 2011, Dorrenhaus's door closer manufacturing base in China - Zhejiang Dorrenhaus Hardware Industry Co., Ltd. was formally founded. All members of management team have more than 15 years experience in door closer industry. Main Products:Hydraulic door closer, Heavy duty door closer, Concealed door closer, Fire rated door closer, UL listed door closer, CE certificated door closer, Economic door closer, American style door closer, European style door closer, Door closer parts. Number of Employee: 205, in which 7 for R&D, 13 for quality control. Floor Space: 12500 M2, Registered Capital: RMB 20mils. (equal to USD 3mils. ) Now have 6 complete production lines with annual output of 1.2-1.5 mils sets.