from February, 2117, Hangzhou gas group will take "convenient service and satisfactory service" as its purpose, and launch a "one-stop" service for non-resident gas users. Call 89911115, and the account manager will help with the design, account opening, installation, acceptance, ventilation, etc., and change the situation that customers run multiple departments by themselves in the past. Among them, we promise to ventilate small service customers such as small restaurants, beauty salons and baby houses within 12 days after signing the contract. There is no account opening fee for the opening of commercial natural gas, and the specific fees include engineering construction fee, gas emission fee, engineering design fee, pipeline supervision and inspection fee, anti-corrosion coating inspection fee, embedded renovation fee, and pre-engineering fee.