No.3 Middle School and Tang Fukang are normal. In the international classification category 10, the applicant of medical device trademark, Hebei Sanjian Health Management Co., Ltd., applied for three kinds of Zhonghetang Fukang liquid dressing masks on February 4, 2002165438, which were approved by the Ministry of Medicine and Medical Safety. Therefore, it is recognized by the safety department of pharmacy and medicine, and it belongs to a regular product.