About Product:PVC pipe drainage pipe is the sanitary grade PVC resin as the main raw material, add the right amount of stabilizer, lubricant, filling agent, Color enhancer and so on through the plastic extruder extrusion molding and injection molding machine injection molding, through cooling, curing, shaping, inspection, Packaging and other processes to complete the production of pipe, pipe fittings. The length is usually 4m or 6m, And the caliber is usually 32~650mm. The other caliber length shall be determined by both parties through negotiation.