The subordinate unit of Zibo Gas Company, please don't answer the questions you know. By the way, it's a gas company, not a coking gas company.

Look at your supplement, your requirements are quite high! See what I wrote? If these are not enough, there is nothing I can do.

Zibo Gas Company was established in April, 1979. It is a medium-sized (1) enterprise owned by the whole people, with the qualification of gas operation and gas engineering construction (3). Mainly responsible for supplying liquefied petroleum gas and natural gas to more than 200,000 residents and industrial users in the city. The company consists of Green Energy Gas Engineering Co., Ltd., Lu Tong Gas Co., Ltd. and Guangyuan Gas Equipment Co., Ltd., with five liquefied gas supply branches in Zhangdian, Zichuan, Huantai, Linzi and Xijiao, and six liquefied gas depots in Hutian, Zhoucun, Xindian, Xijiao and Nanjiao. The main production equipment includes 5 1 set 100 m3 liquefied gas storage tank, 1 automatic filling line with 720 bottles per hour, 1 gas transmission pipeline from Shengli Refinery to Xindianku, 1 automatic detection line for liquefied gas cylinders, with a one-time storage capacity of 2,500 tons. Transfer, Zibo Gas Company, as the owner of natural gas engineering construction in our city, has fully invested in the project construction. At present, Zibo Natural Gas Project has built a 63-kilometer urban backbone network, which can introduce natural gas from PetroChina and Sinopec at the same time, and the natural gas supply network in Zibo has begun to take shape.