China HS Code

HS Code 310221: Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate in China

Q: Is HS code 310221 the same across all countries?

Yes — up to the 6-digit level, HS code 310221 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. China extends it under China HS / CCCHS.

Q: What system does China use to classify HS code 310221?

China classifies products under the Customs Import and Export Tariff of the People's Republic of China (China HS / CCCHS; locally 中华人民共和国海关进出口税则), which extends HS codes to 13 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 310221 in China?

The official source is http://english.customs.gov.cn/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 310221 in China

Under China's Customs Import and Export Tariff of the People's Republic of China (中华人民共和国海关进出口税则), HS Code 310221 is the WCO Harmonized System subheading for Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate. This is the most detailed internationally standardized level; China extends classifications to 13 digits under its national tariff system. 310221 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 China import export trade data and shipment records for HS Code Ammonium Sulphate Fertilizer on TradeInt global trade data platform

Classification Path of HS Code 310221 in China

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 310221

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

HS Code 31022100

Ammonium sulphate 硫酸铵

China Tariff Classification: Customs Import and Export Tariff of the People's Republic of China (China HS / CCCHS)

In China, HS 310221 is classified under the Customs Import and Export Tariff of the People's Republic of China (中华人民共和国海关进出口税则) — a 13-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Import and Export Tariff of the People's Republic of China (China HS / CCCHS)

Local name 中华人民共和国海关进出口税则

Digits 13

Official source http://english.customs.gov.cn/

You know what 310221 means. Now see 2026 latest real trade activity for Ammonium Sulphate Fertilizer in China.

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 China import Product Under HS Code 3102

1 310221: Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate $5.7M 2 310290: Other, including mixtures not specified in the foregoing subheadings $5.6M 3 310260: Double salts and mixtures of calcium nitrate and ammonium nitrate $5.2M

Figures shown for 2025.

For more 2026 recent data, search for China import trade records

Top China export Product Under HS Code 3102

1 310221: Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate $3.3B 2 310210: Urea, whether or not in aqueous solution $2.0B 3 310260: Double salts and mixtures of calcium nitrate and ammonium nitrate $143.3M

Figures shown for 2025.

For more 2026 recent data, search for China export trade records

Related HS Code to China Ammonium Sulphate Fertilizer (310221)

HS Code 31022100

Ammonium sulphate

HS Code 310210

Urea, whether or not in aqueous solution

HS Code 310229

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

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

Frequently Asked Questions

What is HS code 310221 in China?

HS code 310221 covers Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate in China. It sits in Chapter 31 (Fertilizers), Heading 3102 of the Harmonized System, and is classified under China HS / CCCHS.

Is HS code 310221 the same across all countries?

What system does China use to classify HS code 310221?

Where can I officially look up HS code 310221 in China?