Oil & Gas Section
For so many years, we hammers at developing the technique innovation, standing in higher level. We have been involved in many national and provincial key pipeline works based on our high quality products and good reputation. The upriver section of the national West to East Gas Transmit Project is a successful work project; Many other gas pipeline works in more than ten cities such as Shanxi Gas Pipeline Project, Xinjiang Petroleum, Qinghai Oil, Inner-mongolia gas pipeline, Sichuan oil pipeline project, Luoyang Gas pipeline, Hefei Gas Pipeline, Wuhan Gas Pipeline, Changsha Gas Pipeline and etc, represent the strength steps and continuous developing manner together.
Coal Heating Section
Technical innovation makes Guolian keeping on developing, which also builds good foundation in many other fields. In recent several years, the company had supplied heating pipes for Beijing, Tianjin, Xinjiang, Shanxi and so on, by using high standard products. It also contributes for coal gas pipeline in Inner-mongolia, Wuhan, Taiyuan, Henan and other places.
Overseas Section
The Tianlong brand has been created by the advanced facilities, best talents, full complete specifications Canada, America, Mid America, Ecuador, Tailand and other countries and regions. So we sincerely hope that we can cooperate with all friends from every circle and provide you with the best products and service, you are warmly welcomed to contact us for business by any ways.
 Conclusion
The real gold will blaze no matter wherever. Based on the excellent quality and good reputation, the products of Guolian have been spread from south to north of China, and to the field of municipal heating supply, power supply, chemical industry, irrigation work, building piling work, coal slurry (powder) and so on. The working force have made great achievements in the spirit of “Working with special care and making superior products.”