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Antibody Fragment Conjugate Mixture from China

Mixed biotech preparation of antibody fragments and conjugates for targeted drug delivery in immunology. HTS 3002.14.00 for mixed, non-retail immunological products per chapter definition of MAB fragments and conjugates.

Duty Rate — China → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

COA must specify multiple components (fragments + conjugates) as mixed

Comply with CBP biotech import rules; temperature-controlled shipping mandatory