Our company has experienced more than ten years in the anti-corrosion and thermal insulation industry. Social progress and technological reform have accelerated our growth; the environment of survival of the fittest is the cornerstone for our company to stand firm. Our products have a wide range of applications: natural gas transportation, oil transportation, seawater desalination, fire protection systems, drinking water, coal chemical industry, etc.

On January 2, 2017, our company was honored to be invited by the China National Standardization Administration; participated in the compilation of the national standard of the People's Republic of China "GB/T 34611-2017 Rigid Polyurethane Sprayed Polyethylene Winding Prefabricated Direct Buried Thermal Insulation Pipe", approved by the director of our company Chang Liu Yunjiang and related personnel have drafted and revised many times, and the "GB/T 34611-2017 Rigid Polyurethane Sprayed Polyethylene Winding Prefabricated Direct-Buried Thermal Insulation Pipe", which was compiled in accordance with the "GB/T1.1-2009" rules, finally drew a full stop. ! Qianfeng has gradually become a leading enterprise in the anti-corrosion and thermal insulation industry integrating "production, education and research".

This standard was published on October 14, 2017 and implemented on September 1, 2018.