Sourcing mother-of-pearl shells from China

Zero duty, with species and use checks

Read from the UK Trade Tariff on 29 September 2026, heading 0508 covers shells that are unworked or simply prepared but not cut to shape, alongside coral, cuttle-bone, powder and waste. This guide covers unworked mother-of-pearl shells for manufacturing. The table separates buying descriptions under the same commodity code; see the shells and coral guide for the wider heading.

All supplied lines carry 0% duty for goods from China, with no anti-dumping or countervailing duty and no suspension recorded. The other-shells line attaches CITES import and export controls and an organic-product import control. For CITES-listed material, confirm the applicable permits with the authorities. The official organic guidance concerns food, feed and seed; ask your customs broker to confirm how the attached control applies to manufacturing shells.

Empty shells for food use or glucosamine have a separate line, as do shells containing soft tissue or flesh. Those lines attach veterinary controls; ask your broker to confirm the requirements for goods from China before shipping if either description applies. Confirm the commodity code using the species, intended use and actual processing, particularly if shells have been cut to shape.

Specify species and usable nacre

Specify the scientific species name, harvesting origin, whole shells or fragments, and intended manufacturing process. Record whether any cleaning, bleaching, coating or polishing has occurred. Agree shell size grading, usable nacre thickness, curvature, colour and the acceptable condition of the inner surface against retained samples.

Ask the processor to show representative shells from the proposed lot, including the edges and reverse surfaces. Agree how cracked, worm-bored, heavily encrusted or thin shells will be sorted out. Keep species and grades separate in the packing, and agree cushioning that prevents shells rubbing or breaking.

For protected species, confirm import and export documentation with the relevant authorities before ordering. If you intend to sell protected shells, check the commercial-use conditions with APHA as well as the import documents.

Worked duty example

Illustrative example, not a quote: Illustrative order: 2 crates of unworked mother-of-pearl shells without flesh for manufacturing under 0508 00 90 90, invoiced at £1,500 free on board, with £900 of freight and insurance to the UK. The customs value is £2,400. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £2,400, so it is £480. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.

Inspection checklist

Identity: compare species records, origin, lot marks and any applicable CITES documents with the shells supplied.

Usable material: check nacre thickness, colour, curvature, cracks, boring damage and delamination against the retained sample.

Cleanliness: inspect inner surfaces and recesses for attached flesh, damp, mould, odour and foreign matter.

Packing: inspect arrival damage, cushioning and grade separation; photograph broken shells and retain the carton and lot marks.

What goes wrong

A bright sample can hide a shipment with thin nacre, mixed colour or extensive boring damage. Whole shells may look intact but reveal cracks or separating layers when handled. Agree acceptance criteria for usable material rather than judging the lot only by gross weight.

Mixed species, residual flesh and unexplained processing make the supplier's description unreliable for clearance. Ask the broker to reassess any discrepancy before shipping. On arrival, keep suspect lots separate and record the defects before accepting them; the quality inspection guide explains how to organise checks.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For repeat volumes, see container programmes.