China HS Code

HS Code 391231: Cellulose ethers : Carboxymethylcellulose and its salts in China

Q: Is HS code 391231 the same across all countries?

Yes — up to the 6-digit level, HS code 391231 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 391231?

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 391231 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 391231 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 391231 is the WCO Harmonized System subheading for Cellulose ethers : Carboxymethylcellulose and its salts. This is the most detailed internationally standardized level; China extends classifications to 13 digits under its national tariff system. 391231 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3912: Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.

Explore more 2026 Latest China import export trade data and shipment records for HS Code Carboxymethyl Cellulose (CMC) on TradeInt global trade data platform

Classification Path of HS Code 391231 in China

Section VII

Chapters (39-40) Plastics and articles thereof; rubber and articles thereof

Chapter 39

Plastics and articles thereof

HS Code 3912

Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms

HS Code 391231

Cellulose ethers : Carboxymethylcellulose and its salts

HS Code 39123100

Carboxymethylcellulose&its salts, in primary forms 初级形状的羧甲基纤维素及其盐

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

In China, HS 391231 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 391231 means. Now see 2026 latest real trade activity for Carboxymethyl Cellulose (CMC) 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 3912

Top China import Product Under HS Code 3912

1 391211: Cellulose acetates : Nonplasticised $207.6M 2 391290: Other $162.3M 3 391239: Cellulose ethers : Other $148.9M

Figures shown for 2025.

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

Top China export Product Under HS Code 3912

1 391239: Cellulose ethers : Other $548.7M 2 391231: Cellulose ethers : Carboxymethylcellulose and its salts $267.8M 3 391290: Other $204.1M

Figures shown for 2025.

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

Related HS Code to China Carboxymethyl Cellulose (CMC) (391231)

HS Code 39123100

Carboxymethylcellulose&its salts, in primary forms

HS Code 391211

Cellulose acetates : Nonplasticised

HS Code 391212

Cellulose acetates : Plasticised

HS Code 391220

Cellulose nitrates (including collodions)

HS Code 391239

Cellulose ethers : Other

HS Code 391290

Other

HS Code 390110

Polyethylene having a specific gravity of less than 0,94

HS Code 390120

Polyethylene having a specific gravity of 0,94 or more

HS Code 390130

Ethylenevinyl acetate copolymers

HS Code 390140

Ethylenealphaolefins copolymers, having a specific gravity of less than 0,94

Frequently Asked Questions

What is HS code 391231 in China?

HS code 391231 covers Cellulose ethers : Carboxymethylcellulose and its salts in China. It sits in Chapter 39 (Plastics and articles thereof), Heading 3912 of the Harmonized System, and is classified under China HS / CCCHS.

Is HS code 391231 the same across all countries?

What system does China use to classify HS code 391231?

Where can I officially look up HS code 391231 in China?