Which is better, Zhende mask I or ii?

Zhende mask type I is good. Zhende mask type I has better dustproof effect than Zhende mask type II. Zhende Mask I am Zhende Medical Supplies Co., Ltd., which focuses on the medical field and is a A-share listed company with reliable product quality. Zhende second-generation disposable mask is a medical-grade product, the mechanical name. Zhende is a company. Zhende Pharmaceutical Products Co., Ltd. was incorporated in Shaoxing Municipal Market Supervision Administration on August, 2004 1994, and its legal representative is Lu Jianguo. The business scope of the company includes Class II 6864 medical and health materials and dressings for licensed projects. Zhende type I medical surgical mask (type I) consists of two layers of non-woven fabric, filter layer and mask belt. The product shall meet the requirements of YY0469-20 1 1. It is suitable for the basic protection of medical personnel or related personnel, as well as the isolation or protection of blood, body fluids and droplets during invasive operations. If the product is damaged, the respiratory resistance increases during use, or it is contaminated by blood or other body fluids, it should be discarded.