The Beijing Harbin Expressway is the northeast ray of the seven capital radiating lines in the national expressway network, spanning across Hebei, Liaoning, Jilin, and Heilongjiang provinces. With the rapid development of the social economy, in order to improve the service level and traffic capacity of the Beijing Harbin Expressway, the section from Lalin River (border between Jilin and Heilongjiang provinces) to Harbin is undergoing renovation and expansion projects. The total length of the renovation and expansion project is 70.9 kilometers, and it will be constructed according to the standard of a two-way eight lane expressway with a design speed of 120 kilometers per hour.

The WBZ800 secondary stabilized soil mixing plant of Fangyuan Group has been widely involved in the expansion project of the Beijing Harbin Expressway. The whole machine adopts a modular combination structure, which is easy to install, transport, and disassemble quickly; The mixing host is equipped with a maintenance switch, and the belt conveyor is equipped with a rope switch to ensure safe production; Equipped with intelligent shortage alarm and one click productivity switching function; Innovative upgrade of cement star feeder with "split wear-resistant ring" design, making the wear resistance more excellent!