Hong Kong, China Special Administrative Region HS Code

HS Code 391310: Alginic acid, its salts and esters in Hong Kong, China Special Administrative Region

Q: Is HS code 391310 the same across all countries?

Yes — up to the 6-digit level, HS code 391310 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 391310?

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 391310 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 391310 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 391310 is the WCO Harmonized System subheading for Alginic acid, its salts and esters. This is the most detailed internationally standardized level; Hong Kong, China Special Administrative Region extends classifications to 8 digits under its national tariff system. 391310 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3913: Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms.

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

Classification Path of HS Code 391310 in Hong Kong, China Special Administrative Region

Section VII

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

Chapter 39

Plastics and articles thereof

HS Code 3913

Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms

HS Code 391310

Alginic acid, its salts and esters

HS Code 39131000

ALGINIC ACID, ITS SALTS AND ESTERS, IN PRIMARY FORMS 藻酸、其鹽及酯，初級形狀

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

In Hong Kong, China Special Administrative Region, HS 391310 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 391310 means. Now see 2026 latest real trade activity for Alginic Acid and Salts 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 3913

Top Hong Kong, China Special Administrative Region import Product Under HS Code 3913

1 391390: Other $3.6M 2 391310: Alginic acid, its salts and esters $154.6K

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 3913

1 391390: Other $362.7K 2 391310: Alginic acid, its salts and esters $2.7K

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 Alginic Acid and Salts (391310)

HS Code 39131000

ALGINIC ACID, ITS SALTS AND ESTERS, IN PRIMARY FORMS

HS Code 391390

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 391310 in Hong Kong, China Special Administrative Region?

HS code 391310 covers Alginic acid, its salts and esters in Hong Kong, China Special Administrative Region. It sits in Chapter 39 (Plastics and articles thereof), Heading 3913 of the Harmonized System, and is classified under HKHS.

Is HS code 391310 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 391310?

Where can I officially look up HS code 391310 in Hong Kong, China Special Administrative Region?