Taizhou Huihe Yongsheng Nanotechnology Co., Ltd. is headquartered under GuangDong Well-Silicasol Co., Ltd., with Guangdong wellt-Nanotech Co., Ltd. located in Dongguan, Guangdong. Founded in 1998, the group is an integrated enterprise dedicated to the research, development, production, and sales of silica sol and advanced nanomaterials.





