Jilin Changde New Material Technology Co., Ltd. was established in September 2017. In 2020, it was recognized as a national high-tech enterprise, obtained a Grade 3 municipal construction qualification, and received a sanitary safety production license for water-related products. The company also participated in drafting the “DB22/T II Type Heat-Resistant Polyethylene (PE-RTII) Heating Pipeline Engineering Technical Standard”. In 2021, it was recognized as a “Specialized, Refined, Unique, and Innovative” enterprise in Changchun and obtained a special equipment production license for polyethylene gas pipes and fittings. In 2022, it was recognized as the Changchun City Enterprise Technology Center, gaining qualifications for the installation, repair, and modification of pressure pipelines and industrial pipelines, as well as import and export trade credentials. By 2023, it was recognized as the Jilin Province Enterprise Technology Center and acquired Grade 2 qualifications for municipal construction and electromechanical installation. The company primarily focuses on producing PERT-II pipes and fittings, with installation services as a complement, providing comprehensive PE pipeline production, sales, heating maintenance, technical consulting, and construction services across the entire supply chain.