Shenhua Coal to Liquid and Chemical Co has restarted its Methanol-to-Olefins unit after brief maintenance. Earlier the unit was shut down in the month of July for an annual maintenance. The unit has restarted its production in last week. Unit is based at Yulin in Shaanxi in China and has the production capacity of ethylene around 300, 000 mt/year and propylene capacity of 300,000 mt/year.