We are proud to create Vietnam's leading handcrafted reactive high-fired glaze products. Dong Gia offers two main product lines with a diverse range of types and colors to suit your needs: Reactive high-fired glazed porcelain: Developed since 2008, based on northern Vietnamese clay that is highly flexible and rich in kaolin. Reactive high-fired stoneware: Developed since 2010, based on southern red clay containing many minerals from the Tây Nguyên highlands of southern Vietnam