The price of plastic raw materials has risen so sharply in 2021.Why?

21/05/2021

China investigations on environmental protection and some factories are closed and stop supplying low quality plastic.After one year Covid-9,sales are going up and people demanding are higher sharply.The depreciation of the RMB, the recovery of exports,The orders increasing largely in export-oriented mold and injection molding companies which cause large amount of plastic consumption.So plastic prices are not stable this year.