Case T-301/20: Judgment of the General Court of 1 March 2023 — Hengshi Egypt Fiberglass Fabrics and Jushi Egypt for Fiberglass Industry v Commission (Dumping — Imports of certain woven or stitched glass fibre fabrics originating in China and Egypt — Implementing Regulation (EU) 2020/492 — Definitive anti-dumping duty — Calculation of the normal value — Article 2(5) of Regulation (EU) 2016/1036 — Manifest error of assessment — Injury — Calculation of the undercutting margin)