Chang Chung Petrochemicals is planning to shut its Acetic Acid unit for maintenance turnaround. The plant is expected to go off-stream in the month of May 2017. The exact date has not been specified yet. Unit is based at Mailiao in Taiwan and has the production capacity of 3,00,000 mt/year. The company also operates another acetic acid plant at the same site with a production capacity of 460,000 mt/year.