Dec 19 (Reuters) - Australia's NOVONIX Ltd NVX.AX said on Thursday it had participated in a petition urging U.S. authorities to investigate China's alleged dumping of battery-grade graphite at unfair prices, potentially harming domestic producers.
(Reporting by Roshan Thomas in Bengaluru; Editing by Shreya Biswas)
((Roshan.Thomas@thomsonreuters.com;))