SEOUL, Jan 30 (Reuters) - The United States and South Korea did not reach a conclusion ​in the first day of face-to-face talks ‌on trade issues, the Yonhap News Agency reported on Friday, ‌after U.S. President Donald Trump threatened to raise tariffs on the country's goods. South Korea's Industry Minister Kim Jung-kwan, who visited the U.S. Department of Commerce in ⁠Washington for talks, ‌said he will meet Secretary of Commerce Howard Lutnick again tomorrow, according to Yonhap. Advertisement AdvertisementAdvertisement AdvertisementTrump complained on social media on Monday that ​South Korea's parliament has not passed bills to ‌enact a trade deal which was agreed last year, and vowed to increase duties on autos and other goods. On Tuesday, Trump ‍said the ⁠United States and South Korea would work out a solution. South Korea's trade envoy Yeo Han-koo also ⁠left Seoul for Washington for talks with Trump's trade ‌negotiator Jamieson Greer.