Hunan Road and Bridge Construction Group Co., Ltd. is an enterprise that has grown up through reform and innovation. As one of the first 19 enterprises with special-grade qualifications for general contracting of highway project construction confirmed and issued by the Ministry of Construction, it is the only enterprise in Hunan Province with special-grade qualifications for construction. As a construction enterprise, the group company has 36 professional branches and holding and joint-stock companies. The core business is the construction of transportation infrastructure such as roads, bridges, and tunnels. The D&G Machinery DG5000 asphalt mixing plant purchased by Hunan Road and Bridge Construction Group Co., Ltd. in 2011 is also the largest model of asphalt mixing plant launched by D&G Machinery in the Chinese market. Since its launch, it has been favored by the market and has continued to sell for many years. The rise fully proves its strong product strength, occupies an important position in the high-end asphalt mixing equipment market, and has accumulated a good market reputation. After years of continuous innovation and research and development, combined with the ever-changing customer needs, D&G Machinery has continuously extended the development of the deformable combination DGX series, DGXR asphalt mixing plant, etc. on the basis of traditional products, enriching customer choices and driving the progress and development of industry technology. D&G Machinery DG5000 asphalt mixing plant has a large production capacity of 400t/h. It is designed to use a large-capacity mixer of 5500kg. The production process has precise gradation, high stability, high productivity, low failure rate, and continuous production without shutdown. Asphalt the quality and yield of the mix are guaranteed. Since this equipment was put into production in 2011, it has participated in the Henggui Expressway, Huaitong Expressway, Fujian Shaoguang Expressway, Chang'an Expressway, Yichang Expressway, Ma'an Expressway, Longlang Expressway, and Pingyi Expressway. The construction of Henghengyong Expressway has produced a total of nearly 3 million tons of finished materials. Still operating efficiently and reliably after many years of use and still being used on construction projects, the flexibility and versatility demonstrated by this “Chinese Red” make it ideal for a variety of road projects.

After fourteen years of ups and downs, this equipment is still looking great, and its excellent performance is commendable. This is due to the high stability and reliability of D&G Machinery products and the careful maintenance and care of customers during use. This example fully illustrates the importance of equipment maintenance and upkeep. Only through scientific and meticulous management of equipment can it maximize its value. In addition, the use and maintenance costs of D&G Machinery mechanical equipment are relatively low, which further improves the competitiveness of users and brings sustainable return on investment. This benefit advantage is becoming more and more obvious.