... experience 3,Export to Southeast Asia, Europe, Africa 4,PE/PVC 5,CE PE/PVC single wall ... can be one time-molding through the related mold with the smooth of inside and out side ,also ... tube etc,the corrugated pipe,used for automobile ,with 4-6.7 mm Small caliber threading pipe fills up ... LGSJ-90/25 Module logarithm40424242Production pipe diameter rangeΦ4-10Φ4-10Φ20-63Φ50-160Production speed5-103-152 ...