** U.S.-listed shares of Chinese-owned solar company Jinko Solar 688223.SS, JKS.N, that operates in Malaysia, down 1.8% to $21.17 in after-hours trade

** U.S. trade officials announced new round of tariffs on solar panel imports from four Southeast Asian nations - Malaysia, Cambodia, Vietnam and Thailand - after American manufacturers complained that companies from the region concerned are flooding the U.S. market with unfairly cheap goods

** Preliminary dumping rate for JKS at 21.31%, per International Trade Administration; company gets a rate of 56.61% on products made in Vietnam

** U.S. Commerce's weighted-average dumping margin for solar cells from Malaysia range between 21.31% and 81.24%; the cash deposit rate for some producers is 17.84% to 81.24%

** Weighted-average dumping margin for solar cells from Thailand range between 77.85% and 154.68%; cash deposit rate of 57.66% for some producers

** The margin for solar cells from Vietnam range between 53.30% and 56.51%; cash deposit rate for some producers is 53.19% to 56.40%

** Including losses, JKS down about 40% YTD as of last close

(Reporting by Seher Dareen in Bengaluru)

((Seher.Dareen@thomsonreuters.com;))