August 9, the Indian Ministry of Commerce and Industry Anti-dumping Bureau announced that the origin or import from China's 1-phenyl-3-methyl-5-pyrazolone anti-dumping sunset review negative Final ruling, ruled that the dumping of products involved in traceability, and did not cause substantial damage to the domestic enterprises in India, it is no longer continue to impose anti-dumping duties on the products involved.

December 1, 2004, the Ministry of Commerce and Industry issued a notice, should its domestic enterprises Prima Chemicals and Polygon Chemicals application, originating or imported from China 1-phenyl-3-methyl-5-pyrazolone Conduct anti - dumping investigation. November 16, 2005, the Ministry of Commerce and Industry issued a notice on the origin or import from China 1-phenyl-3-methyl-5-pyrazolone positive final ruling: ruling on China's products involved $ 1.218 per kilogram of anti-dumping duties. July 1, 2010, the Ministry of Commerce and Industry issued a notice on the origin or import from China 1-phenyl-3-methyl-5-pyrazolone for the first anti-dumping sunset review investigation. June 29, 2011, the Ministry of Commerce and Industry issued a notice on the origin or import from China 1-phenyl-3-methyl-5-pyrazolone to make the first anti-dumping sunset review affirmative final cut: Continue to impose anti-dumping duties on the products involved. August 11, 2016, the Indian Ministry of Commerce and Industry issued a notice on the origin or import from China 1-phenyl-3-methyl-5-pyrazolone for the second anti-dumping sunset review investigation, dumping investigation From April 2015 to March 2016 (12 months), the damage survey period from April 2012 to March 2013, April 2013 to March 2014, April 2014 to March 2015 And April 2015 ~ March 2016 (dumping investigation period). The customs code of the product involved is 29331920.