Wanhua chemical 28 evening announcement, the company owned subsidiary of Wanhua chemical (Ningbo) Co., Ltd. MDI a device (400 thousand tons / year) will start to stop in December 1, 2017, is expected to overhaul 50 days; MDI two device (800 thousand tons / year) will start to stop the car in December 16, 2017, is expected to overhaul 45 days.