Marun Petrochemical Complex (M.P.C.) (Persian: شرکت پتروشیمی|Sherkat Petrochimi), is a petrochemical complex in Mahshahr, Khuzestan, Iran which was established in 21 Jan 1995.
The complex consists of low-density polyethylene (LDPE), high-density polyethylene, polyphenol, olefin, ethylene oxide/ethylene glycol and ultrasonic testing plants.The main plant is Olefin which feeds the others.Each plant has its own license. For example, the license for LDPE plant is from Stamicarbon (Sabic).