In order to improve the tightness of the products and ensure the product quality, our company has changed the material of small packing bags for the products with the size of round six pieces in the collagen dressing (medical device registration certificate No.: Yue Shi Yao Jian Ji (Zhun) Zi 2014 No. 2640171) from the batch of 20170714b-2 (production date: July 25, 2017). After the change, the surface of the small package changed from matte to smooth 。

As shown in the figure below: