Strong pipes & fitting business volume growth; Positive delta lifts profits PVC pipes & fittings volume rose 12% YoY to 71,759MT while resin volume declined 6% to 72,123MT. Further, PVC resins margin expanded 388bps YoY to 24.5% due to positive PVC-EDC spread. Consequently, EBITDA margin improved 312bps YoY to...