Qatar Chemical Company Ltd. (Q-Chem) is a Qatari company owned by Mesaieed Petrochemical Holding Company Q.S.C. (MPHC) 49 percent, Chevron Phillips Chemical International Qatar Holdings LLC (Chevron Phillips Chemical Qatar) 49 percent, and Qatar Petroleum (QP) 2 percent.

MPHC is majority owned by QP. The Q-Chem facility is a world-class integrated petrochemical plant producing high-density and medium-density polyethylene (HDPE & MDPE), 1-hexene and other products, using state-of-the-art technology provided by Chevron Phillips Chemical, a major integrated producer of chemicals and plastics.

Over US $1 billion was invested to engineer, construct and commission the Q-Chem facility, which began commercial operations in 2004.

Located in Mesaieed Industrial City, the Q-Chem complex has a production capacity of 453,000 metric tons per annum (MTA) of polyethylene and a 1-hexene unit with a production capacity 47,000 MTA. The complex also consists of sulfur recovery and solidification plant, a water treatment plant, seawater cooling system, dock facilities and administrative buildings.

https://www.qchem.com.qa/