So where did Chinese people come from? Well, one of the tribes of Canaan were known as the "Sinites." They were an Australoid race who migrated to the far east and became the original Chinese. China's first capital was Shensi (derived from "Sinite"). Other names like Sian, Sinkiang, Shanghai, Shensi, Shantung, and Shen-Yang also came from the same root word.
Then around 1100 BC was when the Mongoloid nomads conquered China and started the Zhou Dynasty. Both races intermixed and became the typical Chinese people that we know of today.