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. We have invested heavily in the introduction of 6 German Elumatec Automatic Processing lines to make the manufacturing more precise and effective. Our products have passed the NAFS Certificates, and the annual production capacity of doors and windows can reach more than 1 million square meters. In the past ten years, Warren windows keep pushing itself to pursue more delicate products for every customer by observing the newest technique and designs while always remaining professional service. You can see many stores selling Warren products in many cities across China and we also done many excellent projects for customers from another countries. Our products have received many favors from over 350, 000 families. But we are not yet satisfied with those progress. We was working on, are working on, and will continue working on improved quality and better budget for our customers."guarding" every moment of quality life with high-quality products and sincere services, so that high-quality life can be shared globally.