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Home > Trade Remedy System> Products under investigations > Potassium Hydroxide in the Republic of Korea and the People’s Republic of China (excluding the regions of Hong Kong and Macao)(expiry review)

Potassium Hydroxide in the Republic of Korea and the People’s Republic of China (excluding the regions of Hong Kong and Macao)(expiry review)

Potassium Hydroxide in the Republic of Korea and the People’s Republic of China (excluding the regions of Hong Kong and Macao)(expiry review)

This is a provisional and unofficial translation. This translation is to be used solely for reference purposes. For all purposes of interpreting this website, please consult the original Japanese text published in the Japan Customs website (Japanese).

 1. Product subject to the expiry review

Name Potassium Hydroxide
Description and Model Classified under subheading 2815.20 of the Harmonized
Commodity Description and Coding System.
Characteristics In the form of liquid dissolved in water or white flake solid, and mainly used as a material for potassium salts such as potassium carbonate, chemical fertilizer, electrolytic liquid for alkali batteries, photographic developing solution, reaction aids for inorganic chemistry, synthetic resin reactors, a material for concrete admixtures and a material for liquid soaps and detergents.

2. Status of the expiry review

Status of the expiry review Date Remarks
Application for extension of the period of imposition of the anti- dumping duties August 8,2025

Initiation of the expiry review December 25,2025

Press release(English)
Notice of the Ministry of Finance (No. 333, 2025) (Japanese)

3. Others

 For interested parties, etc. including exporters and importers, regarding the product subject to the expiry review

A. Documents including Questionnaires for the expiry review

 The table below lists documents, including Questionnaires, which were sent to the interested parties, etc. from the Minister of Finance upon the initiation of the expiry review.
 For inquiries about the listed documents, please contact the Ministry of Finance (for Nos.1 to 3) or the Ministry of Economy, Trade and Industry (for Nos.4 and 5) .

NO Parties concerned Documents Download
1 Foreign suppliers (Korea and China ) Request for cooperation in an expiry review of the anti-dumping duties (common to all interested parties, etc.), Questionnaires① (Basic Questions) and Questionnaires② (Detailed Questions) to producers and exporters of the product subject to the expiry review [Zip file(Japanese)]ZIPファイル
2 Producers of the product subject to the investigation (China) Request for cooperation in an expiry review of the anti-dumping duties (regarding facts that the market economy conditions regarding production and sale of the product subject to the investigation prevail in China), Questionnaires③ (Basic Questions) and Questionnaires④ (Detailed Questions) [Zip file(Japanese)]ZIPファイル
3 Importers Request for cooperation in an expiry review of the anti-dumping duties (common to all interested parties, etc.), Questionnaires① (Basic Questions) and Questionnaires⑤ (Detailed Questions) to importers of the product subject to the expiry review [Zip file(Japanese)]ZIPファイル
4 Domestic producers Request for cooperation in an expiry review of the anti-dumping duties (common to all interested parties, etc.), Questionnaires① (Basic Questions) and Questionnaires⑥ (Detailed Questions) to domestic producers of the like product [Zip file(Japanese)]ZIPファイル
5 Industrial users Request for cooperation in an expiry review of the anti-dumping duties (common to all interested parties, etc.) and Questionnaires⑦ (Detailed Questions) to industrial users of the product subject to the expiry review [Zip file(Japanese)]ZIPファイル

 For interested parties, etc. who have not received Questionnaires and other documents within seven days from the day of the Notice of the Ministry of Finance (No.333, 2025), please contact the Ministry of Finance (see below) with written evidence showing you are the interested parties, within fourteen days of the day of the said Notice. In addition, such interested parties are recommended to fill in the above documents including Questionnaires and submit them to the Ministry of Finance by the respective deadlines.

 If the interested parties do not respond to the Questionnaires, etc. by the due date without any justification, the investigating authorities will make a final determination vis-à-vis such interested parties on the basis of the facts available in accordance with Article 6.8 and Annex II of the Agreement on Implementation of Article VI of the GATT 1994, paragraph 4 of Article 10 of the Cabinet Order Relating to Anti-Dumping Duty (hereinafter referred to as “the Cabinet Order”) and 10 of the Guidelines for Procedures Relating to Anti-Dumping Duty.

B. Procedures for presenting evidence, etc.

 Parties concerned listed in the right column of the table below are allowed to present evidence, as well as replying to the Questionnaires above.
 In that case, please present the respective documents to the Minister of Finance by submitting them to the “Address for submission” below, by the respective deadlines referred to in the middle column of the table below. Please confirm the number of copies of the documents to be submitted to the “Contact information” below.

Procedures regarding the expiry review Deadlines of the procedures Parties concerned
Presentation of evidence, etc. March 25, 2026 Interested parties (foreign suppliers,* importers and domestic producers, etc.)
Request of meeting with parties with adverse interests April 27, 2026 Interested parties (foreign suppliers,* importers and domestic producers, etc.)
Presentation of views April 27, 2026 Interested parties (foreign suppliers,* importers and domestic producers, etc.), Industrial users
Provision of information April 27, 2026 Industrial users
Inspection of the evidence Date of the Notice of the Ministry of Finance published in the Official Gazette as provided for in Article 16 of the Cabinet Order Interested parties (foreign suppliers, importers and domestic producers, etc.)

 

Address for submission
Office of Trade Remedy Affairs
Tariff Policy and Legal Division
Customs and Tariff Bureau
Ministry of Finance
3-1-1 Kasumigaseki, Chiyoda-ku, Tokyo, 100-8940, Japan
E-mail:ad11@mof.go.jp


Contact information of the procedures regarding the anti-dumping duty investigation

Office of Trade Remedy Affairs
Tariff Policy and Legal Division
Customs and Tariff Bureau
Ministry of Finance
3-1-1 Kasumigaseki, Chiyoda-ku, Tokyo, 100-8940, Japan
Tel: +81-(0)3-3581-8236
E-mail:ad11@mof.go.jp


Office for Trade Remedy Investigations
Trade Control Department
Trade and Economic Security Bureau
Ministry of Economy, Trade and Industry
1-3-1 Kasumigaseki, Chiyoda-ku, Tokyo, 100-8901, Japan
Tel: +81-(0)3-3501-3462
E-mail:bzl-qqfcbk@meti.go.jp