1. Petroleum: Petroleum pipelines, process pipelines for transporting corrosive media in chemical and pharmaceutical, printing and dyeing industries;
2. Fire protection: Applicability to water supply pipelines of sprinkler and sprinkler systems;
3. Expressways: cable protection sleeves for power, communications, and expressways;
4. Coal mines: suitable for underground water supply and drainage, the underground spraying, positive and negative pressure ventilation, gas drainage, fire sprinkler, and other pipe networks;
5. Sewage treatment: sewage treatment discharge pipe, sewage pipe, and biological pond anti-corrosion project;
6. Power plant: process water waste residue and return water pipeline in thermal power plant;
7. Agriculture: agricultural irrigation pipes, deep well pipes, drainage pipes, and other networks;
8. Municipal engineering: suitable for high-rise building water supply, heating network heating, tap water engineering, gas transportation, buried water transportation, and other pipelines.