Alibaba founder Jack Ma says the US and China trade war could last 20 years.br It's going to last long, it's going to be a mess. Jack Mabr Ma's comment came after President Donald Trump imposed fresh tariffs on $200 billion worth of Chinese goods.br According to Business Insider, Ma says the dispute will have a bigger impact than most people think.br The tariffs mean more than half of all goods coming into the US from China will be subject to duties.