After investigation, PTA and MEG are both raw materials for polyester production, and the prices should affect each other; MEG is rarely seen in PTA futures, and there are more upstream crude oil and downstream competitive cotton; Baidu knows that there is an answer link:/link? URL = mgv ua 3 wj2j _ xbk 3 ylyfykcbcbsbjpjtrgeyy 055 hygvnpb 8 kou vks 9 xuiedbbqhzcbqv 3 154 eyhsj 4 znwny 9 qk