Alginic acid, its salts and esters
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Alginic acid, its salts and esters — trade of China with the countries in our coverage

HS code 391310

From April 2025 to September 2026, China exported goods under HS code 391310 (Alginic acid, its salts and esters) to the countries in our coverage: 379 shipments by 128 companies. Main buyer countries in our coverage (share of exports): Pakistan 50%, Vietnam 15.1%, Bangladesh 11.4%. No import shipments from the countries in our coverage were recorded. These figures cover only trade with the 14 countries in our coverage, not all of the country's foreign trade.

Coverage data. These figures cover only trade with the 14 countries in our coverage, not all of the country's foreign trade.
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Official description: Alginic acid, its salts and esters, in primary forms Heading 3913: Natural polymers and modified natural polymers, in primary forms, not elsewhere specified or included

Imports

Almost no imports from the countries in our coverage

Exports

379
shipments
April 2025 – September 2026

Pakistan — 50%

Pakistan receives the most shipments · Share

Buyer countries
  • Pakistan 50%
  • Vietnam 15.1%
  • Bangladesh 11.4%
  • Mexico 10%
  • Uzbekistan 9.1%
128
companies
exported this product in the period

Largest exporters

  1. 1 QINGDAO HYZLIN BIOLOGY DEVELOPMENT CO., LTD
  2. 2 SHANDONG GATHER GREAT OCEAN MARITECH CO.,LTD
  3. 3 SHANDONG KARUI OCEAN TECHNOLOGY Co., Ltd.
  4. 4 QINGDAO GATHER GREAT OCEAN ALGAE INDUSTRY GROUP Co., Ltd.
  5. 5 RAINBOW EVERBRIGHT QINGDAO CO.LTD

Shipments by month

January 2026
The busiest month of the period · 63 shipments
Busiest month
63 shipments
January 2026
Quietest month
0 shipments
April 2025
Average per month
21 shipments
Exports

Buyers and suppliers for this code

Lists of companies that buy and supply this product.

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This code in other countries

Pakistan 181 shipments
Vietnam 157 shipments
Mexico 141 shipments
Uzbekistan 104 shipments

Neighbouring codes

Other codes in heading 3913

Other natural and modified natural polymers 391390

Questions and answers

From April 2025 to September 2026, China exported goods under HS code 391310 (Alginic acid, its salts and esters) to the countries in our coverage: 379 shipments by 128 companies. No import shipments from the countries in our coverage were recorded.

Main buyer countries in our coverage (share of exports): Pakistan 50%, Vietnam 15.1%, Bangladesh 11.4%, Mexico 10%, Uzbekistan 9.1%.

Exporters trading with the countries in our coverage: 128. The largest include QINGDAO HYZLIN BIOLOGY DEVELOPMENT CO., LTD, SHANDONG GATHER GREAT OCEAN MARITECH CO.,LTD, SHANDONG KARUI OCEAN TECHNOLOGY Co., Ltd..

No. These figures cover only trade with the 14 countries in our coverage, not all of the country's foreign trade.
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