Asia's first in-situ cold regenerative unit unveiled on the Beijing-Shenyang Expressway

At the K96 to K98 km section of the Beijing-Shenyang Expressway, a large-scale equipment unit is operating efficiently and smoothly. The process only requires one lane to be temporarily closed, allowing traffic to continue flowing without disruption. As the milling, mixing, paving, and compaction take place, the damaged pavement is gradually replaced with a new, smooth surface. The entire operation is fast, clean, and efficient—no waste is generated during the process. All of this is made possible by the WR4200 in-situ cold recycling unit recently introduced by Tianjin Jinlu Expressway Maintenance Engineering Co., Ltd. This advanced technology enables full on-site recycling of road materials, significantly reducing the need for new resources and minimizing environmental impact. With just seven units of this kind in the world, Jinlu Company is the only one in Asia to own and operate such a high-tech machine. Using this system, the company can achieve cost savings of up to 20% to 30%, making it a game-changer in modern road maintenance. The efficiency and sustainability of this approach are setting a new standard for highway repair across the region.

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