Currently used in the field of engineering construction and family decoration of PVC -u drainage pipes, pipe fittings for mostly white, with the previously wall, residential buildings in China is given priority to with white or gray color. With the improvement of people's demand for housing quality and aesthetics, the color of the exterior wall is also colorful. Tonzo it is in this architecture under the current situation of special developed color PVC -u drains, it provides the outer walls of the color, can according to customer's special configuration with similar color PVC pipes, pipe fittings, pipeline system and the building perfectly fuses in together, give a person with pleasing visual enjoyment.  

Since listed tonzo color PVC pipes, received warm responses, high-end construction market in hangzhou jiayuan real estate projects, for example, the development of building exterior wall for brown tones, with are technical personnel through field sampling and match colors, produce the same color with the brown PVC - U pipes, one integrated mass, the architecture and pipeline system to perfect its architectural style.