Gujarat Petrosynthese Limited manufactures and sells plastic polymers, blends, and engineering alloys in India. The company produces modified polycarbonate; modified PVC; modified polyacetals or POM; modified ABS including Synolac brand; modified PBT; modified polyamides or Nylon 6 and 66; modified polypropylene or PP; modified SAN; polymer alloys such as PC/ABS, PC/PBT, and PVC/ABS; as well as specialty compounds including modified polystyrene, LLDPE, LDPE, and PMMA. These products serve the automobile; textile; electrical and electronic; telecommunication; consumer goods; and light industry sectors. Founded in 1977 and headquartered in Mumbai with its polymer alloys and blends division plant in Bengaluru, Karnataka, the company operates primarily in India and maintains ISO 9001:2015 and ISO 14001:2015 certifications through technical collaboration with China's Chenguang Research Institute of Chemical Industry and China National BlueStar Co. In December 2002, it merged with the former Karnataka Petrosynthese Ltd., originally established in 1996 as a joint venture with Karnataka State Industrial Investment and Development Corporation, integrating it as the polymer blends and alloys division.