Tosoh is in plans to take its No.1 vinyl chloride monomer (VCM) plant off-stream for a maintenance turnaround. The company has schedule to start turnaround at the plant on October 17, 2018. The plant is expected to remain under maintenance until early-December 2018. The No.1 VCM plant has a production capacity of 250 kta that is located in Nanyo, Japan.