The MOUs cover the most complex issues affecting the trading relationship between the two countries and are meant, from the U.S. perspective, to end the practices that led Trump to start levying duties on Chinese imports in the first place.
One source cautioned that the talks could still end in failure. But the work on the MOUs was a significant step in getting China to sign up both to broad principles and to specific commitments on key issues, he said.
The United States has accused Beijing of forcing U.S. companies doing business in China to share their technology with local partners and hand over intellectual property secrets. China denies it engages in such practices.
Trump administration officials also object to non-tariff barriers in China, including industrial subsidies, regulations, business licensing procedures, product standards reviews and other practices that they say keep U.S. goods out of China or give an unfair advantage to domestic firms.
U.S. Treasury Secretary Steven Mnuchin has pushed for China to open its financial services markets to more foreign firms, including credit card giants Visa and MasterCard, which have waited years for China to make good on promises to allow them to operate there.
On currency , US officials including Mnuchin have warned China against devaluing its yuan to gain a competitive advantage after the Chinese currency weakened significantly against the dollar last year, partly counteracting Trump's tariffs.
The two sides were discussing an enforcement mechanism for the deal, the source said. . Reuters reported last month that the United States was pushing for regular reviews of China's progress on pledged trade reforms and could reinstate tariffs if it deems Beijing has violated the agreement.
The parties also were looking at a 1