Group 1 - The company, Beihua Co., stated that its wholly-owned subsidiary, the Chemical Defense Equipment Research Institute, has developed products such as astronaut gas masks, purification devices, and specialized protective clothing for aerospace applications [2]

Core Viewpoint - The company has developed products for the aerospace sector, including astronaut protective gear and purification devices [1] Group 1: Company Products - The company's wholly-owned subsidiary, the Chemical Defense Research Institute, manufactures astronaut gas masks, protective masks, purification devices, and specialized protective clothing for aerospace applications [1]