Zhende and DMSU can not be differentiated, because Zhende is a company, DMSU is a brand, and DMSU is Zhende under the banner of the company, the company mainly makes masks. Zhende Medical Supplies Co., Ltd. was registered on August 18, 1994 in Shaoxing City Market Supervision Administration. Legal representative Lu Jianguo, the company's scope of business includes licensed business items of the second category 6864 medical hygiene materials and dressings.