Newly bought ceramic mugs must pay attention to cleaning when they are used for the first time. It can be boiled with vinegar to remove a large number of harmful substances rich in ceramic cups, which can eliminate the threat to human health extremely well.
Especially for some sub-ceramic mugs, their production technology is usually low-temperature glaze color skills. In life, many beautiful ceramic mugs are seen. The burning temperature of this ceramic mug does not meet the rules and regulations, but in order to adhere to the color and pattern decoration, so the firing skills are not as high as the advanced ceramic cups, so there is a greater safety risk.