Case T-254/18: Judgment of the General Court of 19 May 2021 — China Chamber of Commerce for Import and Export of Machinery and Electronic Products and Others v Commission (Dumping — Imports of certain cast iron articles originating in China — Definitive anti-dumping duty — Action for annulment — Admissibility — Association — Standing to bring proceedings — Interest in bringing proceedings — Injury determination — Calculation of the import volume — Macroeconomic and microeconomic indicators — Sampling — Calculation of the EU industry’s cost of production — Prices charged intra-group — Causal link — Attribution and non-attribution analysis — No assessment of injury by segment — Assessment of the significance of undercutting — Confidential treatment of information — Rights of the defence — PCN-by-PCN methodology — Product comparability — Calculation of the normal value — Analogue country — Adjustment for VAT — Determination of the selling, general and administrative costs and profit)