China HS Code

HS Code 283640: Potassium carbonates in China

Q: Is HS code 283640 the same across all countries?

Yes — up to the 6-digit level, HS code 283640 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 283640?

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 283640 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 283640 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 283640 is the WCO Harmonized System subheading for Potassium carbonates. This is the most detailed internationally standardized level; China extends classifications to 13 digits under its national tariff system. 283640 belongs to Section VI: Products of the chemical or allied industries, Chapter 28: Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Heading 2836: Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.

Explore more 2026 Latest China import export trade data and shipment records for HS Code Potassium Carbonate on TradeInt global trade data platform

Classification Path of HS Code 283640 in China

Section VI

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

Chapter 28

Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

HS Code 2836

Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate

HS Code 283640

Potassium carbonates

HS Code 28364000

Potassium carbonates 钾的碳酸盐

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

In China, HS 283640 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 283640 means. Now see 2026 latest real trade activity for Potassium Carbonate in China.

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

Search 2026 Latest China Import Data Search 2026 Latest China Export Data

Top Trading Product of HS Code 2836

Top China import Product Under HS Code 2836

1 283691: Other : Lithium carbonates $2.3B 2 283630: Sodium hydrogencarbonate (sodium bicarbonate) $33.8M 3 283699: Other : Other $24.1M

Figures shown for 2025.

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

Top China export Product Under HS Code 2836

1 283620: Disodium carbonate $393.0M 2 283699: Other : Other $305.7M 3 283630: Sodium hydrogencarbonate (sodium bicarbonate) $187.6M

Figures shown for 2025.

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

Related HS Code to China Potassium Carbonate (283640)

Sodium hydrogencarbonate (sodium bicarbonate)

Other : Lithium carbonates

HS Code 283692

Other : Strontium carbonate

Frequently Asked Questions

What is HS code 283640 in China?

HS code 283640 covers Potassium carbonates in China. It sits in Chapter 28 (Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Heading 2836 of the Harmonized System, and is classified under China HS / CCCHS.

Is HS code 283640 the same across all countries?

What system does China use to classify HS code 283640?

Where can I officially look up HS code 283640 in China?