Qingdao A.D.L Wallcovering Co., Ltd. (hereinafter referred to as A.D.L), located in the beautiful coastal, modern and open city of Qingdao, is a comprehensive manufacturing enterprise dedicated to the research and development, design, manufacture and marketing. Since our establishment, our company has always adhered to our operating philosophy of "trustworthy, high efficiency, unity, hard work, innovation, and pragmatic effort" and our principle of "quality first, service-oriented". ...