India Launches Anti-Dumping Investigation on Solar Encapsulants from South Korea, Thailand, and Vietnam

On September 29, 2025, the Directorate General of Trade Remedies of India (DGTR) announced the initiation of an anti-dumping investigation (AD) on solar packaging products originating from or importing from South Korea, Thailand, and Vietnam. 

Details of the case: 

1. Case code: AD(OI) 33/2025

2. Product under investigation: Solar Encapsulants

3. Related HS codes: 39019000, 39201019, 39201099, 39202090, 39206190, 39206290, 39209919, 39209932, 39209939, 39209992, 39209999

4. Product Description

  • Polymer-based components are used in the manufacturing of solar PV modules, which are used to encapsulate solar PV cells and perform adhesion and buffering functions. 
  • Manufactured by plastic extrusion technology. The polymer resin is mixed with several other additives and the composite material is subjected to heat and pressure to turn into a sheet. The additives used in the manufacture of these sheets include a cross-linking agent, adhesion enhancer, UV stabilizer, and several other essential materials to convey specific functions. 

5. Product classification code (PCN):

Type of Wrapper  Corresponding code in PCN 
Poly Olefin Encapsulant  POE 
EVA-POE-EVA Encapsulants  EPE 
Ethyl Venyl Acetate  EVA 

6. Origin of goods: Korea, Thailand, Vietnam

7. Investigation period:

  • Dumping investigation period: from April 01, 2024 to March 31, 2025 
  • Damage investigation period: 2021–2022, 2022–2023, 2023–2024 periods and dumping investigation period 

8. Obligations of Vietnamese manufacturing/exporting enterprises: 

Submit Comments and Responses to Survey Questions to DGTR via email: consultant-dgtr@govcontractor, jd11-dgtr@gov.in; adv11-dgtr@gov.in; dd19-dgtr@gov.in.  

Deadline for submission : Within 30 days from the date of receipt of the notice of initiation 

Note:  

  • If it fails to submit on time, DGTR may consider the enterprise uncooperative and use unfavorable data to calculate the dumping margin. 
  • Enterprises can request an extension of the response period by sending a letter requesting DGTR before the end of the period. 

Interested parties can register as a stakeholder, submit comments on the case, and follow updates at the DGTR website: https://www.dgtr.gov.in/ 

9. The Trade Remedies Department recommends:

  • Reviewing the situation of exporting products under investigation to India 
  • Carefully study India’s anti-dumping investigation regulations 
  • Submit comments on products, PCN codes and related contents on time and in the right format 
  • Answering the Survey Questionnaire honestly, fully and on time 
  • Actively coordinate with the Department of Commercial Environment to receive timely information and support 

(According to the Trade Remedies Department on October 3, 2025) 

Related Services:  

Anti-dumping exemption 

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