● Chemical medium delivery pipes

● Various process pipes (chemical process, papermaking process, sewage treatment process, seawater desalination process, food and beverage processing, pharmaceutical process, etc.)

● Pressure pipes of small hydropower stations and circulating pipes of power plants on the ground

● Sewage collection and delivery pipes

● Drinking water delivery trunk pipes and distribution pipes

● Oil field water injection pipes and crude oil delivery pipes

● Thermal energy delivery pipes, seawater delivery pipes

● Agricultural irrigation pipes

● Glass fiber reinforced plastic devices (ventilation and air conditioning, glass fiber reinforced plastic devices)