Beijing on Thursday said it "firmly opposes" trade restrictions included in a new US defence act, having already admonished the bill for interfering in China's internal affairs.
The National Defense Authorization Act (NDAA) -- signed into law last week -- bars the use of federal funds to buy railcars and buses from
China, and slows the lifting of
sanctions on tech giant Huawei.
It comes as
Beijing and
Washington have agreed to a temporary truce in their bruising nearly two-year trade war, with a "phase-one" deal that has rolled back
tariffs on billions of dollars worth of goods.