New Delhi, Mar 23 (ANI): US President Donald Trump signed a presidential memorandum that could impose tariffs on up to $60 billion of imports from China. The restrictions will target 1,300 Chinese products, everything from shoes and clothing to electronics. China has already said it will defend itself with "all necessary measures", raising fears of a trade war between the world's two biggest economies. Trump also asked the Treasury Department to impose restrictions on Chinese investment in American companies.