Wanhua Chemical announced on the evening of January 29 that since February, the company's China's regional MDI distribution market listing price of 13,200 yuan / ton (up from the January price of 700 yuan / ton), direct sales market listing price of 13,500 yuan / ton (ratio In January, the price was raised by 700 yuan/ton); the pure MDI listing price was 23,700 yuan/ton (no change compared with January).