Approved and registered by Civil Administration Ministry, the Metal Roof Branch of China National Building Waterproof Association is established on 31st May, 2013 in Beijing. Until now, China National Building Waterproof Association altogether has five branches, namely, the Sing-ply Roof Branch, the Vegetative Roof Branch, the Polyurea Branch, the Sealing Material Branch and the Metal Roof Branch.

Original:CBWA