Chinese ambassador to the United States Xie Feng on Wednesday proposed to increase the limit of tariff-free goods under the newly created US-China Board of Trade from the existing US$30 billion to US$300 billion – a 10-fold rise in non-sensitive trade covered by the mechanism.Addressing a gathering at the US-China Business Council gala in Washington, Xie said he shared the view of “many friends from American businesses” that the tariff-free basket was “far from big enough”.“I cannot agree...