Butyl rubber (IIR)
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Butyl rubber (IIR) — trade of China with the countries in our coverage

HS code 400231

From April 2025 to September 2026, China exported goods under HS code 400231 (Butyl rubber (IIR)) to the countries in our coverage: 208 shipments by 35 companies. Main buyer countries in our coverage (share of exports): Vietnam 34.8%, Mexico 24.5%, Bangladesh 13.6%. 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: Isobutene-isoprene rubber (butyl rubber, IIR), in primary forms or in plates, sheets or strip Heading 4002: Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip

Imports

Almost no imports from the countries in our coverage

Exports

208
shipments
April 2025 – September 2026

Vietnam — 34.8%

Vietnam receives the most shipments · Share

Buyer countries
  • Vietnam 34.8%
  • Mexico 24.5%
  • Bangladesh 13.6%
  • Pakistan 13.5%
  • Philippines 11%
35
companies
exported this product in the period

Largest exporters

  1. 1 PANJIN CENWAY MATERIALS CO.,LTD
  2. 2 ZHEJIANG CENWAY MATERIALS CO.,LTD
  3. 3 JUNJUN HOLDING GROUP LIMITED
  4. 4 CHINA TIANCHEN ENGINEERING Corporation
  5. 5 LANYU ENERGY INDUSTRY LIMITED

Shipments by month

April 2026
The busiest month of the period · 30 shipments
Busiest month
30 shipments
April 2026
Quietest month
0 shipments
April 2025
Average per month
12 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

Vietnam 191 shipments
Uzbekistan 153 shipments
Pakistan 126 shipments
Hong Kong 158 shipments

Neighbouring codes

Other codes in heading 4002

SBR and XSBR synthetic rubber latex 400211
SBR and XSBR synthetic rubber 400219
Butadiene rubber (BR) 400220
Halogenated butyl rubber 400239
Chloroprene rubber (CR) 400249
Acrylonitrile-butadiene rubber latex 400251
Acrylonitrile-butadiene rubber, other than latex 400259
Ethylene-propylene-diene rubber (EPDM) 400270
Mixtures of natural and synthetic rubber 400280
Other synthetic rubber, latex 400291
Other synthetic rubber, other than latex 400299

Questions and answers

From April 2025 to September 2026, China exported goods under HS code 400231 (Butyl rubber (IIR)) to the countries in our coverage: 208 shipments by 35 companies. No import shipments from the countries in our coverage were recorded.

Main buyer countries in our coverage (share of exports): Vietnam 34.8%, Mexico 24.5%, Bangladesh 13.6%, Pakistan 13.5%, Philippines 11%.

Exporters trading with the countries in our coverage: 35. The largest include PANJIN CENWAY MATERIALS CO.,LTD, ZHEJIANG CENWAY MATERIALS CO.,LTD, JUNJUN HOLDING GROUP LIMITED.

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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