There are several main fees: 1. Opening fee. This fee has been waived by many gas companies.

2, engineering costs. Includes the cost of materials, construction costs, etc., depending on the amount of work you need to determine.

Natural gas is one of the safer gas, it does not contain carbon monoxide, but also lighter than air, once the leakage, immediately upward diffusion, it is not easy to accumulate to form explosive gases, the safety of other combustibles is relatively high.