Chemplast Sanmar Limited, is the flagship company of The Sanmar Group. It is a major manufacturer of PVC resins, chlorochemicals and piping systems. At Chemplast, integration, forward and backward, is the key.Chemplast has set up Zero Liquid Discharge facilities at Mettur, Cuddalore and Karaikal. Chemplast has played a  pioneering role through its ingenious choice of feedstock and manufacturing processes, and efficient, eco-friendly practices.