1. Raw material selection: High quality ceramic tableware should use pure natural materials such as kaolin, clay, etc., and avoid using materials containing harmful substances.
2. Firing temperature: High temperature firing (generally above 1200 ℃) can effectively reduce the content of harmful substances in ceramics and make them denser, less likely to absorb water.
3. Glaze safety: Glaze is an important component of ceramic surfaces, and lead-free and cadmium free food grade glazes should be selected to ensure safe use.
