Asahi Kasei Mitsubishi Chemical Ethylene Corp, a joint venture between Asahi Kasei Corp and Mitsubishi Chemical Corp, has restarted its naphtha cracker in Mizushima, Okayama (Japan) on August 14, 2016. The cracker was suspended from July 27, 2016 due to a malfunction in its refrigeration system. The production was resumed after completion of all necessary inspection and repair, said the company. The naphtha cracker in Mizushima has capacity of 567,000 tonnes per annum.