A 70:30 JV between Qatar Intermediate Holdings Co and Honam Petrochemical is seeking a contractor for a proposed ethylene plant. Proposals have been sought from five ethylene process suppliers namely KBR, Linde, Lummus Technology, Stone and Webster and Technip. The proposed ethylene plant will become part of an olefins complex in Mesaieed, Qatar. The Mesaieed complex will have an ethane and naphtha fed cracker with a capacity to produce 800,000-900,000 tpa of ethylene, and an olefins conversion unit for making propylene. The cracker and olefins conversion plant will have propylene capacity of 900,000 tpa.