How to explain Microsoft's investment and business activities in China market with the theory of multinational corporations?

Multinational companies mainly use brand effect and word-of-mouth effect to open the door of China market. The premise of their investment is to see that a certain market share in China is extremely low, and finally invest and operate in the China market through analysis and investigation. At the same time, a series of preparations are ultimately for the benefit. Like Ford's sales in China in recent years, factory cooperation is the best example.