What is the difference between Xiaomi ecological chain enterprise and Xiaomi?

Xiaomi Eco-chain Enterprise is the exclusive foundry of products designed by Xiaomi Company. Xiaomi Eco-chain Enterprise is an independent company invested by Xiaomi, that is, a non-Xiaomi subsidiary, and also a promising enterprise of Xiaomi. Xiaomi will invest in them and accelerate the development of enterprises. At the same time, many enterprises will form alliances and cooperate with each other, such as giving priority to supply and the lowest price.