There are some 200 million urban and rural households in the country, and more than 100 million rural households. Even if only one out of every 10 households needs air purification products and people spend hundreds of dollars on air cleaners, the amount of business generated must be quickly estimated. The huge air purification market has created ideas for many entrepreneurs. But there are many air purification projects in the market, and there are some differences in the strength of the projects. Which ones are more secure? The small rice air cleaners, with their strength, their reputation and their popularity, have emerged as objects of concern. Let's start with an overview of the millet air cleaners project. Mi, as many of us have heard, is a high-tech business, founded in beijing in 2010, with its headquarters in beijing, focusing on the development of smart hardware and electronics, high-end smartphones, internet television, and smart home-based eco-chaining, working to provide...