When President Trump arrives in Beijing on Wednesday, he will most likely complain about traditional areas of dispute like steel and cars. But Washington officials and major global companies increasingly worry about a new generation of deals that could give China a firmer grip on the technology of tomorrow. Under an ambitious plan unveiled two years ago called Made in China 2025, Beijing has designs to dominate cutting-edge technologies like advanced microchips, artificial intelligence and electric cars, among many others, in a decade. And China is enlisting some of the world’s biggest technology players in its push.