Astral Poly Tec Standalone December 2018 Net Sales at Rs 443.73 crore, up 9.52% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/astral-poly-tec-standalone-december-2018-net-sales-at-rs-443-73-crore-up-9-52-y-o-y-3516351.html#ASTRAL