Five driving forces in the jump in the operating profit of "Shark"; From renovation to providing cheap feed Shezand Petrochemical Company (Sharak) announced the reasons for the increase in operating profit for the period of 6 months that ended on September 22, 1405, the positive effects of the renovation of the complex, controlling the cost price and providing cheaper feed, diversifying the sales portfolio to products with higher added value and increasing the supply in the commodity exchange.