The company, owned by Mesaieed Petrochemical Holding Company, Chevron Phillips Chemical International Qatar Holdings, and Qatar Petroleum, operates a world-class integrated petrochemical plant in Mesaieed Industrial City. The facility, which began commercial operations in 2004, has a production capacity of 453,000 tonnes/year of polyethylene and a 1-hexene unit with a capacity of 47,000 tonnes/year. In addition, Qatar Chemical Company II, a $2bn project adjacent to the Q-Chem plant, started operations in 2010 and produces 350,000 tonnes/year of high-density polyethylene and 345,000 tonnes/year of normal alpha olefins. The company also operates a sulphur recovery and solidification plant.