德國G-U（格屋）公司成立于1907年，是德國乃至歐洲著名的門窗五金生產企業. 100年來, GU公司憑借其優異的產品質量以及豐富的產品系列，發展成為員工超過4000人，產品品種6萬多種，**擁有十余家生產企業，數十家銷售分公司，產品遍及世界各地，在世界建筑五金行業處于水平的著名國際企業集團，并全資控股三個在行業市場上處于地位的企業，即德國G-U GmbH公司、德國BKS GmbH公司、法國FERCO國際公司。For 100 years Our G-U Group has been offering customers a complete range of construction fittings and security equipment for windows and doors. Our maxims include thinking globally and acting locally. For this reason, more than 4000 employees are active for the G-U Group in over 40 countries throughout the world in the joint sales and marketing companies. Always coming out with new ideas, Gretsch-Unitas is constantly “Securing technology for you”. For years now, such renowned names as BKS (locking technology), FERCO (hardware) and ATS (automatic entrance systems) belong to our group.