Hong Kong, China Special Administrative Region HS Code

HS Code 31022900: DOUBLE SALTS AND MIXTURES OF AMMONIUM SULPHATE AND AMMONIUM NITRATE, NESOI in Hong Kong, China Special Administrative Region

Q: Is HS code 31022900 the same across all countries?

Only the first 6 digits of HS code 31022900 are internationally harmonized. The remaining digits are added by Hong Kong, China Special Administrative Region under HKHS and are not directly comparable to other countries' codes.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 31022900?

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 31022900 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 31022900 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 31022900 is classified as DOUBLE SALTS AND MIXTURES OF AMMONIUM SULPHATE AND AMMONIUM NITRATE, NESOI. Hong Kong, China Special Administrative Region's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 31022900 belongs to Section VI: Products of the chemical or allied industries, Chapter 31: Fertilizers, Heading 3102: Mineral or chemical fertilisers, nitrogenous.

Explore more 2026 Latest Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Other Nitrogen Fertilizers on TradeInt global trade data platform

Classification Path of HS Code 31022900 in Hong Kong, China Special Administrative Region

Section VI

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

Chapter 31

Fertilizers

HS Code 3102

Mineral or chemical fertilisers, nitrogenous

HS Code 31022900

DOUBLE SALTS AND MIXTURES OF AMMONIUM SULPHATE AND AMMONIUM NITRATE, NESOI 硫酸銨和硝酸銨的複鹽及混合物，未列明或未包括在其他編號

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

In Hong Kong, China Special Administrative Region, HS 31022900 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 31022900 means. Now see 2026 latest real trade activity for Other Nitrogen Fertilizers in Hong Kong, China Special Administrative Region.

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

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Top Trading Product of HS Code 3102

Top Hong Kong, China Special Administrative Region import Product Under HS Code 3102

1 310210: Urea, whether or not in aqueous solution $5.2M 2 310290: Other, including mixtures not specified in the foregoing subheadings $1.2M 3 310221: Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate $635.6K

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 3102

1 310210: Urea, whether or not in aqueous solution $821.8K 2 310230: Ammonium nitrate, whether or not in aqueous solution $12.7K 3 310290: Other, including mixtures not specified in the foregoing subheadings $2.6K

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 Other Nitrogen Fertilizers (31022900)

HS Code 310210

Urea, whether or not in aqueous solution

HS Code 310221

Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate

HS Code 310230

Ammonium nitrate, whether or not in aqueous solution

HS Code 310240

Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilising substances

HS Code 310250

Sodium nitrate

HS Code 310260

Double salts and mixtures of calcium nitrate and ammonium nitrate

HS Code 310280

Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution

HS Code 310290

Other, including mixtures not specified in the foregoing subheadings

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 310311

Superphosphates : Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5)

31022900 in Other Countries

See how 31022900 (Other Nitrogen Fertilizers) is classified across other countries, each with its own national code and local description.

Compare 31022900 across countries

Frequently Asked Questions

What is HS code 31022900 in Hong Kong, China Special Administrative Region?

HS code 31022900 covers DOUBLE SALTS AND MIXTURES OF AMMONIUM SULPHATE AND AMMONIUM NITRATE, NESOI in Hong Kong, China Special Administrative Region. It sits in Chapter 31 (Fertilizers), Heading 3102 of the Harmonized System, and is classified under HKHS.

Is HS code 31022900 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 31022900?

Where can I officially look up HS code 31022900 in Hong Kong, China Special Administrative Region?