WARREN, a brand of Beijing Warren Doors and Windows Co., Ltd., is a comprehensive modern enterprise integrating R & D, production and marketing. We have professional teams of R & D, design, production, sales, installation and after-sale service, and focus on the retail of doors and windows for nearly 10 years. We have two standardized production and storage bases in the north and the south part of China, and invested heavily in the introduction of German Yelu automatic intelligent processing center and built a national standard testing center, with an annual production capacity of more than 600,000 square meters of doors and windows. We have established brand flagship stores in more than 100 cities across China, providing integrated solutions of doors and windows for over 350,000 families. We enter the market with energy-saving doors and windows, adhere to the operation philosophy of leading technology, excellent quality and perfect service, and have been unanimously recognized by the industry and our customers.Superior performance products and considerate service make the Warren brand deeply rooted among people.