Hehuiguan Expressway is a highway connecting Heyuan City and Huizhou City. It has a total length of 255.7 kilometers, passing through Huizhou, Dongguan and Heyuan.
Due to the shortage of natural sand, the manufactured sand comes into being. A large amount of concrete is needed in the expressway project. When producing concrete, lots of gravel aggregate is require. They believe that the long-term purchase of aggregates is too expensive. The person in charge of the project purchased Camelway sand making machine and other equipment to build a sand-making plant, meeting the demand for sand.