Yes, Redmi and Xiaomi both belong to the same company, Xiaomi Company. Xiaomi is a company founded by Lei Jun on 20 10. At first, its main business was smart phones and consumer electronics. Later, in order to meet the needs of different markets and needs, Xiaomi launched a number of sub-brands, one of which is Redmi.

Redmi is a mobile phone brand owned by Xiaomi, focusing on launching entry-level and mid-range cost-effective smartphones. Red rice mobile phone pays attention to functional practicability, performance stability and price simplicity, and enjoys wide popularity and praise among users.

Although Redmi and Xiaomi are different sub-brands operating independently in the market, they enjoy Xiaomi's R&D, manufacturing and supply chain resources, as well as Xiaomi's brand reputation and market channels. Therefore, Redmi and Xiaomi can be said to be different product lines or brands of a company, representing different market positioning and product strategies.