... h 3.Pipe Range4-110mm 4.High Quality with an Impressing Price 5.Have Machine High Quality PVC Single-wall Corrugated Pipe Extrusion Line1) ... and abrasion, high intensity, good flexibility, etc .3) APPLICATION: They are widely used in fields of auto wire, electric thread- ... circuit of machine tool, protective pipes of lamps and lanterns wire, tubes of air conditioner and washing machine, etc. These ...