What kind of production is being set up if Xiaomi or Apple are using the capacities of Foxconn factories, producing circuits for further production. That is, they do not even make a production line, automation, but only drawings, even production and quality control - does foxconn
A strong leader, a team of strong techies, a strong sale. Any successful company starts with a strong leader, if there is the first point, you can get additional. funding and get to a good level faster.
But other points are also important, since if you don't have Moscow, finding strong people for your team is still a quest.