Ross, U.S. Trade Representative Robert Lighthizer and others were.
After ZTE failed to take action against company employees involved in the illegal exports, the Commerce Department last month banned US companies from supplying goods to ZTE for seven years. China counterpunched with tariffs on a range of USA products, including bourbon and blue jeans.
One area the world's two most powerful economies likely won't be able to address during discussions this week is China's practice of what is known as technology mercantilism, in which it distorts policies and systems in order to expand domestic technology production.
In a later tweet, Trump suggested the USA and China were moving forward on the trade negotiations, but it was not clear how the ZTE case would fit into the bigger picture.
The companies are controlled by the Communist Party of China and could be used for operations to compromise US communications infrastructures, the report said.
He also said the "gap remains wide" in relation to trade negotiations, but expressed hope that President Trump's relationship with his Chinese counterpart will help lead to an agreement.
ZTE should not be operating in the United States and should not have easy access to American technology, Rubio said. The block on ZTE was a heavy blow for the company but also hurt the USA companies it buys from.
Sanctions On Iran Could Cost US, European Companies Billions
Bruno Le Maire said Europe should not act as "vassals" to the U.S. or accept that it is the "world's economic policeman". Even the USA needs global partners, she cautioned, saying: "No country is big enough to face this world alone".
ZTE reached a settlement in March 2017 for violating US export laws and paid penalties totaling $1.19 billion.
President Donald Trump has stepped into the row surrounding the seven year ban on USA companies supplying Chinese telecommunications maker ZTE with software and components. By cutting off access to USA suppliers of essential components such as microchips, the ban threatens ZTE's existence, the company has said.
It is no secret that the USA has a huge trade deficit with China. Both sides had been expected to dig in for a fight over their trade imbalance at this week's talks.
"The Company and related parties are actively communicating with the relevant United States government departments in order to facilitate the modification or reversal of the Denial Order by the USA government and forge a positive outcome in the development of the matters", said ZTE.
ENERGY: Benchmark U.S. crude oil inched up 1 cent to $70.97 a barrel.
Senate Democrats also criticized the president for appearing to give in to Chinese pressure on the ZTE sanctions.
"Our intelligence agencies have warned that ZTE technology and phones pose a major cyber security threat".