china is pumping 19 billion into its top memory chipmaker according to media reports as us restrictions on semiconductor exports threaten beijings tech ambitions semiconductor manufacturer yangtze memory technologies co ymtc is set to receive 129 billion yuan from the stateowned national integrated circuit industry investment fund bloomberg reported on thursday citing government data the move comes after the us commerce department in december added ymtc to its socalled entity list blocking the firm along with dozens of other chinese companies from purchasing us chip technology washington has in recent months tightened restrictions on chinese chipmakers citing national security concerns and the ability for the technology to be used by chinas defence sector according to us rules released last week chipmakers benefitting from a 39 billion government fund must agree not to expand capacity in countries of concern including china for a decade to no longer rely on foreign imports for its chips beijing has sunk billions of dollars into building up its own semiconductor industry over the past decade and in december it filed a dispute with the world trade organization over us chip export restrictions accusing washington of protectionism and violating international trade rules statecontrolled chinese business news outlet jiemian on thursday said the investment from the national fund was part of a capital infusion that also included two companies backed by the government of hubei province where ymtc is based