U.S. Treasury Secretary Steven Mnuchin says the U.S. and China have a 'conceptual' agreement on enforcement concerns,... showing signs of progress made in trade talks between the sides.<br />Speaking to Fox Business Network on Monday,... Mnuchin's latest comments hinted at what's to come when the two sides resume their high level trade talks next month.<br />However, the Treasury Secretary also warned that President Trump has no problem keeping his heavy tariffs on Beijing,... if a deal can't be reached.<br />The two sides appeared to be on the brink of a deal earlier this year,... but negotiations fell apart in early May,... leading to each side imposing more tariffs on the other's goods.<br />