Heat insulationg layer, erosion resistant coating were wrapped on steel pipe, can do continuous production, high efficiency and low cost. 
Shot derusting on line, on line spraying antirust processing Online full automatic hydraulic automatic rectification machine, high precision, stable and reliable. 
Pipeline transmission adopt multi roller plastic tires compressed driving, steel pipe driving is steady and straight. 
Pipes production range is wide:ф48-ф1000mm.