Ministry of Commerce Announcement No. 3 of 2026: Publication of the Final Review Determination on Anti-Dumping Measures Applicable to Imports of Solar-Grade Polysilicon Originating in the United States and the Republic of Korea

On January 20, 2014, the Ministry of Commerce issued Announcement No. 5 of 2014, deciding to impose anti-dumping duties on imports of solar-grade polysilicon originating from the United States and South Korea effective immediately. The duty rates ranged from 53.3% to 57% for U.S. companies and from 2.4% to 48.7% for South Korean companies, with a five-year implementation period. On November 21, 2017, the Ministry of Commerce issued Announcement No. 78 of 2017, deciding to adjust the anti-dumping duty rates on imported solar-grade polysilicon originating from South Korea to 4.4%–113.8%. On January 19, 2020, the Ministry of Commerce issued Announcement No. 1 of 2020, deciding to continue imposing anti-dumping duties on imported solar-grade polysilicon originating from the United States and South Korea at the rates announced in Announcements No. 5 of 2014 and No. 78 of 2017, effective January 20, 2020, for a period of five years. On May 29, 2020, the Ministry of Commerce issued Announcement No. 21 of 2020, deciding that Hanwha Silsin Co., Ltd. shall succeed to the duty rates and other rights and obligations applicable to Hanwha Chemical Corporation under the anti-dumping measures on solar-grade polysilicon.

On January 10, 2025, in response to an application from China's solar-grade polysilicon industry, the Ministry of Commerce issued Announcement No. 7 of 2025, deciding to initiate a sunset review investigation into the anti-dumping measures applicable to imports of solar-grade polysilicon originating from the United States and the Republic of Korea, effective January 14, 2025.

The Ministry of Commerce investigated the likelihood of continued or renewed dumping of solar-grade polysilicon originating from the United States and the Republic of Korea, as well as the likelihood of continued or renewed injury to China's solar-grade polysilicon industry, should the anti-dumping measures be terminated. Based on Article 48 of the Anti-Dumping Regulations of the People's Republic of China (hereinafter referred to as the “Anti-Dumping Regulations”), it has made a review ruling. The relevant matters are hereby announced as follows:

I. Review Determination

The Ministry of Commerce determined that if the anti-dumping measures were terminated, dumping of solar-grade polysilicon originating from the United States and the Republic of Korea into China would be likely to continue or recur, and the injury to China's solar-grade polysilicon industry would be likely to continue or recur.

II. Anti-Dumping Measures

Pursuant to Article 50 of the Anti-Dumping Regulations, the Ministry of Commerce has submitted a recommendation to the Customs Tariff Commission of the State Council to continue implementing anti-dumping measures based on the investigation findings. The Customs Tariff Commission of the State Council has decided, upon the recommendation of the Ministry of Commerce, to continue imposing anti-dumping duties on imports of solar-grade polysilicon originating from the United States and the Republic of Korea effective January 14, 2026, for a period of five years.

Name of Investigated Product: Solar-Grade Polysilicon.

English Name: Solar-Grade Polysilicon.

Specific Description of Investigated Product: Rod-shaped, block-shaped, or granular polysilicon products manufactured using processes such as the (modified) Siemens process and the silane process, with chlorosilane as the raw material, intended for the production of crystalline silicon photovoltaic cells.

Primary Uses: Primarily used in the production of solar-grade monocrystalline silicon ingots and directionally solidified polycrystalline silicon ingots, serving as the main raw material for manufacturing crystalline silicon photovoltaic cells.

This product is classified under the Customs Tariff of the People's Republic of China: 28046190. Electronic-grade polysilicon used for producing semiconductor products such as integrated circuits and discrete devices under this tariff code is not within the scope of this investigation.

Pursuant to the provisions of Announcement No. 5 of 2014, Announcement No. 78 of 2017, Announcement No. 1 of 2020, and Announcement No. 21 of 2020 issued by the Ministry of Commerce, the anti-dumping duty rates imposed on companies from the United States and the Republic of Korea are as follows:

U.S. Companies:

1. REC Solar Grade Silicon LLC 57%

(REC Solar Grade Silicon LLC)

2. REC Advanced Silicon Materials LLC 57%

(REC Advanced Silicon Materials LLC)

3. Hemlock Semiconductor Corporation 53.3%

(Hemlock Semiconductor Corporation)

4. MEMC Pasadena, Inc. 53.6%

(MEMC Pasadena, Inc.)

5. AE Polysilicon Corporation 57%

6. Other U.S. Companies 57%

South Korean Companies:

1. OCI Company Ltd. 4.4%

2. Hankook Silicon Co., Ltd. 9.5%

3. Hanwha Solutions Corporation 8.9%

(HANWHA SOLUTIONS CORPORATION)

4. SMP Ltd. 88.7%

(SMP Ltd.)

5. Woongjin Polysilicon Co., Ltd. 113.8%

(Woongjin Polysilicon Co., Ltd.)

6. KCC Corp. and Korean Advanced Materials (KAM Corp.) 113.8%

(KCC Corp. and Korean Advanced Materials (KAM Corp.))

7. Innovation Silicon Co., Ltd. 113.8%

8. Other Korean Companies 88.7%

III. Method of Imposing Anti-Dumping Duties

Effective January 14, 2026, importers shall pay corresponding anti-dumping duties to the Customs of the People's Republic of China when importing solar-grade polysilicon originating from the United States and South Korea. The anti-dumping duty shall be levied ad valorem based on the dutiable value of the imported goods as determined by customs, calculated as follows: Anti-dumping Duty Amount = Dutiable Value of Imported Goods as Determined by Customs × Anti-Dumping Duty Rate. Import VAT shall be levied ad valorem based on the dutiable value of the imported goods as determined by customs, which shall include the sum of the customs duty and the anti-dumping duty.

IV. Administrative Reconsideration and Administrative Litigation

Pursuant to Article 53 of the Anti-Dumping Regulations of the People's Republic of China, parties dissatisfied with this review decision may apply for administrative reconsideration in accordance with the law or file a lawsuit with the People's Court in accordance with the law.

V. This Announcement Shall Take Effect on January 14, 2026

Ministry of Commerce of the People's Republic of China

January 13, 2026

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