G-U Lattice Trading (Shanghai) Co., Ltd. was founded in 1907 in Germany and is a subsidiary of the Gretsch-Unitas Group, focusing on the supplier of door and window technology, automatic entrance management systems and building management systems

The Gretsch-Unitas Group consists of more than 50 manufacturing and sales companies in 35 countries. The group has international leading brands GU (building hardware), BKS (lock, locking system) and FERCO (building hardware), which has system advantages.

The Group produces and sells around 30,000 products that can be combined with each other in the areas of window and door technology, automatic entrance systems and building management systems. Employing around 3,700 people and for more than 100 years, the GU Group has been able to develop not only individual products, but also unique overall solutions for large-scale projects. We work closely with architects, planners and profile system manufacturers to combine imaginative architectural concepts with innovative technologies.

The family business founded by Viktor Gretsch in 1907 is today under the leadership of the brothers Julius and Michael von Resch.

Gewu Trading (Shanghai) Co., Ltd. is the only wholly-owned subsidiary of the German Gewu Group in China.