Qingdao Tongshuai Door Manufacture Co.,Ltd As the backbone manufacture enterprise of Qingdao Tongshuai Group. Qingdao Tongshuai Door Manufacture Co.,Ltd is the first professional door manufacturing enterprise in Shandong province with largest scale in the same industry of China,which has 14 million RMB registered funds and a number of advanced enigeering experts, management personel and core technical worker. In the mean time, Qingdao Electromotion Door Research Institute was established under the permission of the Qingdao Sicience Committee, which made research, consult, production, and service a coordinated process. The company used to be honored as "China Patent-Shandong Star Enterprise", "Provincial High level Credit Enterprise", "Shandong Famous Brand" etc. It has passed ISO9001 Quali