the price of polymeric MDI rose first and then fell. What is the trend in November?

october market review: october 8 after the national day holiday from october 9 to october 9, domestic polymeric mdi continued its small upward trend at the end of september, rebounded to a maximum of 16,800-17,200 yuan/ton, then stopped rising and fell back to 14,600-14,800 yuan/ton on october 31. the monthly drop was 1,900-2,200 yuan/ton. supply…