Tianjin Yishan Construction Machinery Co., Ltd. (Yishan Machinery), established in 1953, is one of China‘s earliest manufacturers specializing in the R&D and production of crawler-type bulldozers.
In 1958, the company developed China’s first crawler bulldozer—a historic breakthrough that marked the beginning of its six-decade journey in the construction machinery industry.
The company has participated in numerous national key technology initiatives, with its products widely used in water conservancy, transportation, mining, energy, and infrastructure construction, making significant contributions to China‘s industrialization.