2020??5??21???????????????????????????????IG Petrochemicals Limited??Thirumalai Chemicals Ltd.??SI Group India Pvt. Ltd.??????????????????????й?????????????????????????????????????Phthalic Anhydride??????????????????顣?????漰?????????29173500???μ????????????????????2019??4??1???2020??3??31???12???￡????????????2016??4???2017??3???2017??4???2018??3???2018??4???2019??3??????????????

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