Recently, the Shandong Provincial Economic and Trade Commission hosted the “Donggong WB525 Road Cold Recycling Machine Appraisal Meeting” in Dezhou, from the Highway Research Institute of the Ministry of Communications, the Engineering Machinery Institute of Chang'an University, the Tianjin Engineering Machinery Research Institute, the Shandong Provincial Highway Bureau, and the Shandong Jiaotong University. Leaders and experts from the Engineering Machinery Research Institute, Shandong Transportation Industry Group, and Dezhou Economic and Trade Commission attended the appraisal meeting.


The appraisal committee heard the “Technical Work Summary Report of WB525 Road Cold Recycling Machine” and “WB525 Road Cold Recycling Machine Inspection Report” from Dezhou Degong Machinery Co., Ltd., and watched the demonstration of the prototype, inspected the production conditions, and reviewed the product drawings. And the technical documents, after evaluation, agreed that the product is mainly used for in-situ cold regeneration of the old asphalt pavement, which is characterized in that the old asphalt surface layer can be directly pulverized and mixed as the base layer aggregate to realize the reuse of materials and reduce the environment. Pollution; the product is reasonable in structure, advanced in technology and stable in performance. It is the first in-situ cold recycling machine developed in China to fill the domestic blank; the product has reasonable production process, complete tooling, perfect quality assurance system and mass production conditions.


In summary, the development of the German WB525 road surface cold recycling machine is successful, can meet the needs of China's old asphalt pavement cold regeneration, has a broad promotion prospect, agreed to pass the identification, can be put into mass production

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