Guangdong Well-nanotech co., ltd is the transformational, upgraded and world-oriented branch of Guangdong Well-silicasol co., ltd which is a leading supplier of colloidal silica in China established in 1998 with 6 production bases. By virtue of strong research and development strength, persistent scientific research investment and deep cooperation with China famous universities, Well-nanotech focus on researching and developing, producing and marketing high purity colloidal silica and CMP slurry, customizing special colloidal silica and extension products for worldwide partners. Our high quality HS-normal series, THS-high purity series, TGS-modified series colloidal silica and TPS-CMP slurry as well as our superior, efficient and personalized services are utilized in a variety of industries such as precision casting, ceramic, papemaking, coating, catalysts, battery, food, grinding and polishing, etc.