Tesla Harness supplier, Chairman of the Taiwan Stock Exchange’s Wang Shilian, Liang Huazhe, said that the trade union currently has production bases in California and Texas, 'We can also make in the United States'. But he admits that the human cost of manufacturing in the United States It's really expensive. Especially near Silicon Valley, there is no worker at all. Trump, in particular, has to crack down on illegal immigrants now, which is even worse.