Classification
Product TypeRaw Material
Product FormDry (Whole Shelled Grain)
Industry PositionPrimary Agricultural Product
Raw Material
Market
Yellow corn (maize) in Hong Kong is primarily supplied through imports, with limited relevance of domestic cultivation. Given Hong Kong’s very limited farmland footprint, the market functions as an import-dependent consumer and feed/processing input market rather than a producer market. Availability is largely shaped by sea-freight logistics, inventory management, and importer/warehouse handling discipline. Importers and distributors are regulated under Hong Kong’s Food Safety Ordinance (including mandatory registration and transaction record-keeping for traceability). For corn intended for human consumption, compliance with Hong Kong’s harmful-substances controls (including regulated mycotoxins such as aflatoxins and deoxynivalenol) is a key shipment risk area.
Market RoleNet importer (import-dependent consumer and feed/processing input market)
Domestic RoleImport-supplied staple grain input for downstream feed and food/industrial uses; no significant domestic primary production
SeasonalityYear-round availability is driven by import schedules and inventory rather than a domestic harvest season.
Specification
Physical Attributes- Free from abnormal flavours/odours and living insects (Codex CXS 153-1985).
- Extraneous matter limits (Codex CXS 153-1985): filth (animal-origin impurities incl. dead insects) ≤ 0.1% m/m; other organic extraneous matter ≤ 1.5% m/m; inorganic extraneous matter ≤ 0.5% m/m.
Compositional Metrics- Moisture content ≤ 15.5% m/m (Codex CXS 153-1985); lower limits may be required for certain destinations depending on climate and transport/storage duration.
Supply Chain
Value Chain- Overseas grain elevator/exporter → ocean freight (bulk vessel or container) → Hong Kong port discharge → storage/warehouse → distribution to downstream users (wholesale, feed/food/industrial processors).
Temperature- Not a cold-chain product; quality risk management centers on keeping grain dry and preventing moisture uptake during storage and handling to reduce mold/mycotoxin risk.
Atmosphere Control- Ventilated, dry storage and pest management are important to reduce condensation, insects, and spoilage during warehousing.
Shelf Life- Shelf-life is mainly limited by moisture control, insect infestation, and mold/mycotoxin development rather than temperature abuse.
Freight IntensityHigh
Transport ModeSea
Risks
Food Safety HighMycotoxin non-compliance (e.g., aflatoxins and deoxynivalenol) can trigger detention, prohibition of import/sale for human consumption, and supply disruption under Hong Kong’s Harmful Substances in Food regulatory controls.Use pre-shipment and pre-dispatch testing (COAs) for regulated mycotoxins for human-consumption lots; enforce moisture/spec and warehouse moisture control to reduce mold development.
Regulatory Compliance MediumNon-compliance with Food Safety Ordinance requirements (e.g., importer/distributor registration and mandatory transaction record-keeping for traceability) can disrupt import operations and downstream distribution.Confirm importer/distributor registration status and implement an audit-ready traceability SOP covering acquisition and wholesale supply records.
Plant Quarantine MediumMisclassification of intended use (e.g., importing maize as planting material rather than grain for consumption/industrial use) can cause clearance delays or non-compliance with AFCD plant quarantine requirements.Align HS classification and declared intended use with AFCD guidance; if imported for planting/propagation, secure required documentation in advance.
Logistics MediumAs an import-dependent bulk commodity, yellow corn supply to Hong Kong is exposed to sea-freight disruptions and cost volatility that can affect delivered cost and timing.Diversify origins/shipping options where feasible and hold buffer inventory sized to lead times and port/warehouse throughput constraints.
FAQ
Do yellow corn (maize) grain imports into Hong Kong require a Plant Import Licence or Phytosanitary Certificate?AFCD indicates that grains (including maize) imported for human or animal consumption or for industrial use do not require a Plant Import Licence or a Phytosanitary Certificate. Requirements differ if maize is imported as a plant/for planting or propagation.
What traceability records should a Hong Kong corn importer keep under the Food Safety Ordinance?The Food Safety Ordinance requires businesses importing/acquiring or supplying by wholesale food in Hong Kong to keep transaction records for traceability. For imported food, the Centre for Food Safety describes keeping import acquisition records (e.g., date acquired, seller details, quantity, and description of the food) within the required timeframe.
Is GMO labelling mandatory for corn products in Hong Kong?Hong Kong’s Centre for Food Safety supports a voluntary GM food labelling system through its Guidelines on Voluntary Labelling of GM Food. The Guidelines describe a 5% threshold for GM labelling purposes (per individual ingredient) and emphasize that labels must not falsely describe food.