TEHRAN (NIPNA) -- Mohammad Hassan Peyvandi, the managing director of Ta’min Petroleum and Petrochemical Investment Co. (TAPPICO), called on petrochemical companies to unit in their commercial activities.

TEHRAN (NIPNA) -- The former managing director of the National Petrochemical Company (NPC) said application of state-of-the-art technologies in petrochemical industries would dramatically help reduce environment hazards created by the industry.