China scuba air tank is an important equipment that every diver must have. Many divers may not pay much attention to the valve of the diving bottle, but in fact, this small valve plays a vital role in the diving process.

Diving is an activity that many people are keen on, but do you know what gas is used in the china diving bottle that divers use underwater? In fact, the gas that divers usually use is compressed air, which is what we often call "air bottles".