US President Donald Trump signed an "America First Investment Policy" memorandum on Saturday, ordering the use of "all necessary legal instruments" to curb Chinese-affiliated investments in critical sectors.

Experts on China praised Trump's executive memorandum to restrict Chinese investment in critical American industries.

China said this weekend it was prepared to respond to a "discriminatory" United States presidential order restricting Chinese investment in critical American technology and infrastructure. On Saturday,

Beijing is strongly dissatisfied and has lodged solemn protests to the United States over its America First Investment Policy as it states "various discriminatory initiatives to strengthen restrictions on two-way investment with China", Foreign Ministry spokesman Lin Jian said.

China's business community strongly opposes the United States overstretching the concept of national security and hindering bilateral economic and trade exchanges, the China Council for the Promotion of International Trade (CCPIT) said on Monday.

President Donald Trump wants to enhance the power of the Committee on Foreign Investment in the United States. — Trump’s memorandum directing a probe into countries that impose taxes on digital services earned praise from major industry groups.