Hubei Jinwei New Material Co. Ltd. is based in China and lists colloidal silica products on Global Trade Plaza. The company offers Colloidal Silica 20-40% For Industry and Colloidal Silica Sol 30% For Investment Casting, both described as clear silica sol with specific chemical and physical properties. These products are noted for their use in investment casting, lost wax casting, refractory, water paint, and concrete polishing applications. The company lists 1994 as its year of establishment. Buyers can send an enquiry through Global Trade Plaza.