Head of the facility Mohammad Isa Anousha said the purified terephthalic acid (PTA) unit of the facility supplied 427,000 tons of the item which was 6% higher than the previous year.
Besides the polyethylene terephthalate (PET) output of the facility rose by 8% last year compared with the preceding year.
The company is the biggest supplier of PET and PTA in Iran and its products are widely used in food, health and medical industries.
Its majority shareholder is the National Petrochemical Company (NPC) of Iran's Petroleum Ministry and was established in March 1998.