Judgment of the General Court (Ninth Chamber, Extended Composition) of 21 February 2024.#Anhui Wanwei Updated High-Tech Material Industry Co. Ltd and Inner Mongolia Mengwei Technology Co. Ltd v European Commission.#Dumping – Imports of certain polyvinyl alcohols originating in China – Definitive anti-dumping duty – Implementing Regulation (EU) 2020/1336 – Calculation of the normal value – Significant distortions in the exporting country – Article 2(6a) of Regulation (EU) 2016/1036 – WTO law – Principle of consistent interpretation – Price undercutting – Market segments – Product control number method – Article 3(2) and (3) of Regulation 2016/1036 – Rights of the defence – Confidential treatment – Articles 19 and 20 of Regulation 2016/1036.#Case T-764/20.