Established in 2004, Colorbuilding B.M. Ltd. is one of the most professional mosaic manufacturers in China. After several years' working with foreign clients, not only our product quality is refined year by year, but also our manufacturing experience and management reach higher and higher level. :::Four step quality control::: 1. Color difference checking. Eliminate color different units. 2. Size difference checking by special measuring tool before on net. 3. Flatness checking. 4. ...   |