Zhengzhou Mingtong Cleaning Service Co., Ltd. has advanced imported equipment and skilled employees, as well as a group of professional technicians who have been engaged in various pipeline research and pipeline maintenance for a long time. It has a variety of special vehicles for large and medium-sized pipeline maintenance, cleaning and removal, more than 200 sets of small cleaning and dredging equipment, and various types of trenchless rigs, and its service is very good. Address: Intersection of Huayuan Road and Hongzhuan Road