A new front has opened in the U.S.-China trade war as companies shifting manufacturing to Vietnam engage in a fierce battle for skilled labor, aggravating an existing shortage and prompting calls for education reforms to address the problem.

Vietnam has emerged as one of the largest beneficiaries of the trade spat between Washington and Beijing.

Exports to the United States were up 21.5 percent in the first eight months of this year, and several companies including Google parent Alphabet Inc. and Nintendo have announced new plans to open facilities in the country.