Gas mask, anti-toxic mask, Beijing Shengbao Hengtai Safety Science and Technology Co., Ltd. was established in 2002. The company is a joint-stock enterprise jointly built by the Beijing Labor Protection Scientific Research Institute and scientific and technological personnel engaged in the research of respiratory protective products. At present, the company has rich products, including gas masks, toxic masks, full face masks, half face masks, dustproof, antitoxic, long-tube type masks, toxic filters boxes, toxic filters cans and other dozens of varieties in different forms, and the company is constantly carrying out R & D and innovation to make products go global.