On January 8, 2010, the Indian authorities initiated an anti-dumping investigation on imports of glass fibre and articles thereof (including glass rovings, glass chopped strands, glass chopped strands mats) from China. Glass wool, glass yarn, glass woven fabrics and chopped strands of a kind generally treated with polyeurathene or acrylic emulsion meant for thermoplastic applications are excluded from the scope of the investigation.
The products subject to investigation are classified under the following HS code: 7019.

On June 2, 2010, the Indian authorities issued their preliminary findings. They recommended the imposition of a provisional anti-dumping duty on imports of glass fibre from China. This provisional duty was imposed on July 14, 2010 (Notification No. 75/2010-Customs, 14.07.2010). The rate of this provisional duty ranges from 12.74% to 40.86% of the CIF value. No duty is imposed on goods produced by M/s Changzhou New Changhai Fiberglass Co. Ltd.

On January 6, 2011, the Indian authorities issued their final findings and recommended the imposition of a definitive anti-dumping duty on imports of glass fibre originating in China. This definitive duty was imposed on March 4, 2011 (Notification No. 30/2011-Customs, 04.03.2011). The rate of this definitive duty ranges from 7.46% to 40.91% of the CIF value, depending on the Chinese producer. This definitive duty is effective from the date of imposition of the provisional anti-dumping duty, i.e. from July 14, 2010.

On September 19, 2013, the Indian Directorate General of anti-dumping & allied duties, Ministry of Commerce & Industry, decided to initiate a midterm review of the anti-dumping duty imposed on imports of glass fibre from China.
This decision follows the application lodged by M/s Raman FibreScience Private Limited, Bangalore, for excluding micro-glass fibre without end-use restriction from the set of products subject to the above-mentioned anti-dumping duty.

On February 10, 2014, the Indian Directorate General of anti-dumping & allied duties, Ministry of Commerce & Industry, completed the midterm review. It recommended that micro glass fibre with fibre diameter in the range of 0.3 - 2.5 microns be excluded from the ambit and scope of the anti-dumping duty imposed on March 4, 2011 by Notification No. 30/2011-Customs.

On May 9, 2014, the Indian Ministry of Finance issued the Customs Notification amending Notification No. 30/2011-Customs dated 04.03.2011 to take into account the above-mentioned recommendations of the Indian Directorate General of anti-dumping & allied duties with regard to the product scope (Notification No. 19/2014-Customs (ADD), 09.05.2014).

On July 7th, 2015, the Indian Directorate General of anti-dumping & allied duties, Ministry of Commerce & Industry, initiated a sunset review of the anti-dumping duty imposed on imports of glass fibre and articles thereof originating in China.
This review follows the application lodged by M/s. Owens-Corning (India) Pvt. Ltd. and Owen Corning Industries (India) Pvt. Ltd. on behalf of the domestic industry.

While initiating the sunset review, the Indian authorities decided on July 13th, 2015 to extend up to July 13th, 2016 the existing anti-dumping duty imposed on March 4th, 2011 by Notification No. 30/2011-Customs (Notification No. 33/2015-Customs (ADD), 13.07.2015).
 
On 1 September 2016, following the conclusion the above-mentioned sunset review the Indian Ministry of Finance issued the Customs Notification extending the definitive anti-dumping duty (Notification No. 48/2016-Customs (ADD), 08.08.2016). The amount of the duty imposed on imports originating in or exported from China is between 20.46% and 47.15% of CIF value depending on the company. The definitive duty is in force for a period of five years.

On 25 September 2020, the Indian authorities initiated a sunset review of the definitive duty imposed on imports of glass fibre and articles thereof from China. The review follows the application lodged by Owens-Corning (India) Private Limited and Owens-Corning Industries (India) Private Limited.

On 31 August 2021, the Department of Revenue of India extended the definitive duty on imports of the subject good from China until 31 October 2021 following the initiation of the sunset review.

On 5 November 2021, the Department of Revenue of India decided not to extend the definitve duty on imports of the subject good from China following the conclusion of the sunset review.