Tonglanhai is a manufacturer of three dimensional wall panels with its own independent brand and intellectual property rights. Our head office is located in the heart of Beijing,China.3d wall panel is a revolutionary new eco-friendly wall decoration unique to the marketplace, with several invention patents and more than 50 copyrights and design patents. Right now, we have four sizes:300x300mm,500x500mm, 600*600mm,625x800mm,and 1000x1000mm with more than 50 unique designs, three series:100%