Supreme Petrochem Ltd supplies Good Flow Grade General Purpose Polystyrene. Supreme Petrochem Ltd is an ISO 9001: 2000 and ISO 14001: 1996 accredited company. The Good Flow Grade General Purpose Polystyrene is made by moulding process and is used in crystal ware, paper weight and house wares. The General Purpose Polystyrene also finds application in gift articles, bangles and medical purpose.