GLASSVEN YANGZHONG ADDITIVES J.V.LTD  was established in 2001 in Yangzhong City, China. As Glassven, we have over 40 years of experience in the research, development, manufacturing and marketing of silica.

　　We supply silica from China to more than 100 countries on five continents.

　　Our mission is to be the best alternative to satisfy the customers’ needs, serving them with honesty and responsibility. We believe on continuous improvement and are committed with high quality, excellent service and innovative solutions.

　　We have highly qualified personnel aimed to develop new products and applications to meet the most challenging needs.  For quality consistency, we follow the most strict protocols. We have in-site Quality Assurance, Applications and Microbiology Laboratories aimed to arrange the full tests to raw materials, mid-products, and finished products.

　　Our manufacturing site and Quality Management System (QMS) has been certified with ISO 9001:2015 certification, while our Food Safety Management System (FSMS) counts on FSSC 22000, ISO 22000, HACCP and GMP certifications.

　　Our Pirosil® products meet all criteria established by the Food Chemical Codex (FCC) and the Food and Drug Administration (FDA) standards. They also count on Kosher and Halal Certifications. They are in full compliance of the China National Standards for food-grade Silicon Dioxide.

　　Our Dentsil® products are aimed to personal care applications and meet all the criteria described in the United States Pharmacopoeia/National Formulary (USP/NF) and the European Pharmacopoeia (Ph. Eur.) for dental-type silica. In addition, they comply with the China National Standard of silicon dioxide for toothpaste.