Assa Abloy Guoqiang (Shandong) hardware technology Limited (hereinafter referred to as the "company") is from Shandong Guoqiang Hardware Technology Co. Ltd. at the end of June 2015 by name, is Guoqiang hardware industry group by Sweden in May 2012 and Assa Abloy equity acquisition of wholly foreign-owned enterprises approved by the State Ministry of Commerce and the Shandong Provincial Department of Commerce was established, the case of foreign a subsidiary of a listed company, is a professional production of building door and window hardware industry leading and high-tech enterprises, the annual output of various types of metal doors and windows 18 million sets (pieces), products include hardware for doors and windows, fire doors, hardware accessories, commercial real estate and high-grade rubber bar curtain hardware series. In 2014 by the Assa Abloy group under the authorization and cooperation at Yale lock company, the joint development of the "Yale" series of high-grade metal doors and windows, again this year for the U.S. market in cooperation with the Shandong Jianzhu University jointly developed the "American" series of hardware products.