Hong Kong, China Special Administrative Region HS Code

HS Code 310530: Diammonium hydrogenorthophosphate (diammonium phosphate) in Hong Kong, China Special Administrative Region

Q: Is HS code 310530 the same across all countries?

Yes — up to the 6-digit level, HS code 310530 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Hong Kong, China Special Administrative Region extends it under HKHS.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 310530?

Hong Kong, China Special Administrative Region classifies products under the Hong Kong Harmonized System (HKHS; locally 香港協調制度), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 310530 in Hong Kong, China Special Administrative Region?

The official source is https://www.customs.gov.hk/en/home/index.html. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 310530 in Hong Kong, China Special Administrative Region

Under Hong Kong, China Special Administrative Region's Hong Kong Harmonized System (香港協調制度), HS Code 310530 is the WCO Harmonized System subheading for Diammonium hydrogenorthophosphate (diammonium phosphate). This is the most detailed internationally standardized level; Hong Kong, China Special Administrative Region extends classifications to 8 digits under its national tariff system. 310530 belongs to Section VI: Products of the chemical or allied industries, Chapter 31: Fertilizers, Heading 3105: Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg.

Explore more 2026 Latest Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Diammonium Phosphate (DAP) on TradeInt global trade data platform

Classification Path of HS Code 310530 in Hong Kong, China Special Administrative Region

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 31

Fertilizers

HS Code 3105

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

HS Code 310530

Diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 31053000

DIAMMONIUM HYDROGENORTHOPHOSPHATE (DIAMMONIUM PHOSPHATE) 磷酸氫二銨

Hong Kong, China Special Administrative Region Tariff Classification: Hong Kong Harmonized System (HKHS)

In Hong Kong, China Special Administrative Region, HS 310530 is classified under the Hong Kong Harmonized System (香港協調制度) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Hong Kong Harmonized System (HKHS)

Local name 香港協調制度

Digits 8

Official source https://www.customs.gov.hk/en/home/index.html

You know what 310530 means. Now see 2026 latest real trade activity for Diammonium Phosphate (DAP) in Hong Kong, China Special Administrative Region.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest Hong Kong, China Special Administrative Region Import Data Search 2026 Latest Hong Kong, China Special Administrative Region Export Data

Top Trading Product of HS Code 3105

Top Hong Kong, China Special Administrative Region import Product Under HS Code 3105

1 310520: Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium $2.0M 2 310590: Other $1.2M 3 310540: Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) $379.2K

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region import trade records

Top Hong Kong, China Special Administrative Region export Product Under HS Code 3105

1 310520: Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium $925.0K 2 310590: Other $836.2K 3 310540: Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) $396.8K

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region export trade records

Related HS Code to Hong Kong, China Special Administrative Region Diammonium Phosphate (DAP) (310530)

HS Code 31053000

DIAMMONIUM HYDROGENORTHOPHOSPHATE (DIAMMONIUM PHOSPHATE)

HS Code 310510

Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

HS Code 310520

Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium

HS Code 310540

Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 310551

Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Containing nitrates and phosphates

HS Code 310559

Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Other

HS Code 310560

Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium

HS Code 310590

Other

HS Code 310100

Animal or vegetable fertilisers, whether or not mixed together or chemically treated; fertilisers produced by the mixing or chemical treatment of animal or vegetable products

HS Code 310210

Urea, whether or not in aqueous solution

Frequently Asked Questions

What is HS code 310530 in Hong Kong, China Special Administrative Region?

HS code 310530 covers Diammonium hydrogenorthophosphate (diammonium phosphate) in Hong Kong, China Special Administrative Region. It sits in Chapter 31 (Fertilizers), Heading 3105 of the Harmonized System, and is classified under HKHS.

Is HS code 310530 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 310530?

Where can I officially look up HS code 310530 in Hong Kong, China Special Administrative Region?