Xuzhou DAE-A Automans Co., Ltd is a joint venture company which specializing in window/door control product development and manufacturing. Main products: window opener, electromagnetic door release, fire rolling door in door hinge, linkage controller, fire rolling door motor,switch, automatic remote control door for garage, garage door etc.. Been approved QS9000/ISO9001. 2000 International Quality System Certificate by Germany TUV Suddeutschland Group.Our products have CE certificates. We are the only one company specializing in window/door control system in China and passed the test of China National supervision and test center for fire electronic product quality.