DHZ Motor, composed by a group of person who are specialized in designing and producing small-sized dirk bike earnestly. The specialists being the key person of technical development and manufacture management in China Honda and other large-sized motorcycle manufacture enterprises in China. They have better occupation moral and expertise, developing and producing Dirt bike for 5 years. Being pioneers in this filed of China. Serious D-PRO DB products are one of the main representative works of DHZ.