
With full experience of pharmaceuticals packaging, Chengde deeply understand how important for the quality and safety for products, and always follow the principle of QUALITY FIRST.
With a sound quality in-house laboratory, Chengde strictly control the mask quality from raw material, semi in every process till finished product not only for mask basic testing items like filtration rate, respiratory resistance, but also hygiene & safety items including formaldeyde, bacteria, fungus, escherichia coli, etc. To make sure every mask we make is safe not only for protection against virus, but also safety for health even wear for a long time.
Based on our high and consistent quality, mask with brands APULA and ZHONGJIAN LE are popular and hot sell all over the world.