For gas cartridge with DOT 2Q standard, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our gas cartridge with DOT 2Q standard has been well received by many customers and enjoyed a good reputation in many countries. Jincheng Aerosol Valve gas cartridge with DOT 2Q standard have characteristic design & practical performance & competitive price, for more information on the gas cartridge with DOT 2Q standard, please feel free to contact us.