On October 20, Sunway (SH603033, stock price 17.19 yuan, market value 17.74 billion yuan) announced that its subsidiary Inner Mongolia Sunway New Materials Co., Ltd. and the Administrative Committee of Wuhai High-tech Industrial Development Zone signed the Investment Framework Agreement, the former intends to invest in the construction of 700,000 tons/year BDO (1,4-butanediol), 500,000 tons/year degradable plastic PBAT (thermoplastic biodegradable plastic), 240,000 tons/ Annual high-end polyeth