<h1>SION entry suspended; follow standard input-output norms for aluminium helical fittings and match prescribed input proportions</h1> Standard input-output norms for aluminium helical-formed fittings (engineering products) specify that producing 1 kg of the fittings requires either 1.05 kg of aluminium ingot or 1.10 kg of aluminium scrap; the SION entry has been suspended by a public notice dated 03-05-2024. Applicants must ensure that imported inputs correspond to the goods actually used or required in the exported product and that proportions of various inputs used in manufacture match the prescribed determination.