Since its founding in 2012 by the name of "Guardian", WARREN has built 150,000 square meters of intelligent R&D and exhibition bases in Beijing, Shandong, and Guangdong with a national standard testing center. Warren windows takestechnique and workmanship and quality seriously. Instead of applying traditional manpower in our factories we have introduced 6 German Elumatec Automatic Processing machines to make our manu-facturing more precise and effectiveIn the past ten years, Warren windows keep pushing itself topursue more delicate products for every customer by observingthe newest technique and designs while always remaining professional service. we have exported many productto US and Canada. Warren takes pride in offering a diverse range of windows and doors, including floor-to-ceiling windows and floor-to-ceiling doors that exemplify modern architectural design. Our products not only meet but exceed the expectations of our discerning customers.