Anti-Dumping duty on Polytetrafluoroethylene extended till 30.11.2021 (02.08.2021) Leave a Comment / Daily Updates / By Team Bizsol Anti-Dumping duty on Polytetrafluoroethylene extended till 30.11.2021 (Notification No. 41/2021-Customs (ADD) dtd 31st July, 2021)