On May 25, Great Wall Motors issued a statement stating that it submitted reporting materials to the Ministry of Ecology and Environment, the State Administration of Market Supervision and Administration, and the Ministry of Industry and Information Technology on April 11, regarding the use of atmospheric fuel tanks by BYD Qin PLUSDM-i and Song PLUS DM-i., Suspected of substandard vehicle evaporative pollutant emissions to report。At present, Great Wall Motor is paying close attention to the progress of filing and handling the case.。In response to the above report, BYD responded quickly, saying in a statement, "We firmly oppose any form of unfair competition! And reserve the right to legal proceedings! Our products and related testing meet national standards and have been certified by national authorities, and the relevant departments are welcome to come over at any time to investigate, collect evidence and test.。"