SCBA are mainly used in firefighting. chemical industry, shipbuilding. petroleum, smelting. factories, mines, laboratories, etc.firefighters or first aid personnel can safely carry out firefighting, disaster relief and rescue work in harsh environments flled withthick smoke, toxic gas, steam or lack of oxygen. The SCBA we make features a face shield with a communication unit, HUD, electronic pressure gauge, and stretch backplate. High-performance and high-specification flame-retardant materials provide more effective protection.