... 2.material : Polyethelene, steel wire steel band pe pipe for sewage treatmentFeature: 1. Non-toxic and healthy: Pipe material ... non-fouling.2. Anti-corrosion medium: As a kind of inert material, except for a few strong oxidizer, Polyethylene is anti-corrosion ... expenses under complex or special environment.5. offering corresponding accessories for each pipe ( tee, elbow, coupling, ect)6. Recycled ...