factory wholesale household creative glaze ceramic compartment tray quantitative fat loss meal divided plate bright light three-lattice plate foreign trade 厂家批发家用创意色釉陶瓷分格盘定量减脂餐分隔盘亮光三格盘外贸

Ceramic Quality Standards

Regarding black spots, defects, or safety issues;
The standard for qualified household porcelain is: the diameter of the black spots shall not exceed2mmLimit4Each item—as long as there are black dots within this range—is considered qualified; ceramic products are not100%Perfect, the pinhole is a manufacturing issue that is difficult to avoid. The products produced are within standard specifications and will not affect use. Please rest assured. Those who may be concerned should purchase with caution. Additionally, our ceramics have been...1 280Formulated at such high temperatures, the toxic and harmful substances will be evaporated at this temperature.