Trump has had a close relationship with the crown prince, Mohammed Bin Salman, even as his real estate company does major deals with oil-rich kingdom.

U.S. President Donald Trump told global business leaders on Thursday they should manufacture products in the United States to avoid import tariffs and enjoy low tax rates.

The comments from Crown Prince Mohammed bin Salman came after President Donald Trump mused about returning to the kingdom as his first foreign trip.

Saudi Arabia’s Mohammed bin Salman told President Donald Trump that he plans to invest $600 billion over the next four years.

One day after speaking to Saudi Crown Prince Mohammed bin Salman, President Donald Trump pushed the kingdom to increase its U.S. investment, saying he would ask the Saudis to “round out” their promised $600 billion “to around $1 trillion.

Saudi Arabia's Crown Prince announced Thursday that the kingdom is set to invest $600 billion in the United States over the next four years.

Saudi Arabia was the first foreign country that Trump visited during his first term.

Crown Prince Mohammed bin Salman said Saudi Arabia aimed to invest at least $600bn in the US over the next four years, as the kingdom sought to deepen ties with its most important western ally after the return of Donald Trump to the White House.

The US-brokered agreement with Israel of the United Arab Emirates, Morocco, Sudan and Bahrain in 2020 is called the ‘Abraham Accord’. Through this agreement, UAE and Bahrain restored their diplomatic relations with Israel. The deal ended decades of Israeli boycott of the Gulf countries.

Saudi Arabia plans to invest $600 billion in the United States over the next four years. A state-run agency revealed the announcement from Crown Prince Mohammed bin Salman after his phone call with President Donald Trump, according to the AFP.