Tongsuh Petrochemical shuts No.4 ACN unit on May 13

South Korea's Tongsuh Petrochemical, an affiliate of Asahi Kasei Corp., had shut its 265,000 mt/year No. 4 acrylonitrile plant at Ulsan on May 13 for a month of planned turnaround, while its 200,000 mt/year Mizushima acrylonitrile plant in Japan had also been shut down on May 16.