• Advantages: High strength, heavy-duty, excellent corrosion resistance. 

• Properties: Metal strength + plastic anti-corrosion, high temperature and pressure resistant. 

• Application: Industrial fluid transmission, chemical pipelines, water supply under severe conditions. 

• Description: Combines durability of iron pipe and corrosion resistance of plastic.

• Advantages: Ultra-high ring stiffness, heavy load bearing, large diameter. 

• Properties: Embedded steel strip, high compression, anti-sedimentation, corrosion-proof. 

• Application: Large municipal sewer, highway drainage, deep burial drainage, heavy load areas. 

• Description: SN8–SN32, suitable for heavy traffic and deep buried projects.

• Advantages: High pressure resistance, anti-corrosion, no rust, no scaling. 

• Properties: Steel outer layer for strength, plastic inner layer for sanitation and corrosion resistance. 

• Application: Fire protection systems, sprinkler systems, fire hydrant networks. 

• Description: Used for high-pressure fire water supply, compliant with fire safety standards.