LPG, as a green energy source, is widely used for cooking all over the world. It’s very popular and convenient. However, safety is the most important factor, which is also Chengli company’s primary concern. Although a whole set of safety accessories are installed accurately in each LPG tank we produce, small leaking may happen after several years’ operation. When you hear a hissing sound or sense a distinctive smell by the side of a LPG tank, obviously, the tank is leaking. That’s a really dangerous situation. So, what should we do?