Rising labor costs, innovation drive prompt companies to use more machines in manufacturing.
As seen from a chinese perspective
According to this article, because "as the advantage of a cheap labor market gradually disappears and there is no distinct price gap between the products made by industrial robots and manufacturing outsourcing.... It could actually be more economical for US and European companies to bring jobs back to their own countries to save on logistics and transportation." But though those jobs may come back to the U.S. and Europe, they are not likely to be done by human workers any longer.
Via The Robot Launch Pad