There are several types of small concrete mixers, such as JDC 350, JDC 500, JS 500 and JS 750. JDC is a single horizontal axis forced mixer, JS is a double horizontal axis forced mixer. There are many mixer manufacturers in Henan, www.jianxin 1688.com, which make new machines. These models range from 20 thousand to 50 thousand, and the specific price needs to be known by yourself.