Our company, Dae-Sung Ceramic Research Institute, produces antibacterial ceramics, disinfectant and deionizer as major products. Pang-I cera ( our brand name ) was proven safe to human body by passing the innoxious, ames assay, acute oral toxicity, acute skin irritation tests of Korea National Authorized Laboratory. We acquired the S.F ( Sanitary Finished ) Mark applying Pang-I cera to water bottles, chopping board, crayon, tableware, and enamel. These products are popular in the international t...