Why is the water in Yu Feilong so expensive?

Water in Yu Feilong is very expensive for the following reasons:

1. Yu Feilong's water source comes from pollution-free groundwater, with excellent water quality and good taste, which is beneficial to human health.

2. Yu Feilong mineral water is rich in trace elements such as potassium, strontium, calcium, zinc and sodium, which is a beneficial supplement to human nutrition.

Therefore, the price of Yu Feilong mineral water is higher.