HTS has carried out flange integrated management for multiple units in Qilu Petrochemical Company. HTS engineers are responsible and conscientious at the construction site, and strictly abide by the industry standards, and repair flanges in the heavy oil hydrogenation workshop. Outstanding performance, working overtime, technicians ensure the construction progress. The long-term leakage of high-pressure and high-temperature equipment and pipeline flanges has been effectively solved by HTS's scientific and standardized flange management, which has won unanimous praise from the owners.