largest bulldozer

With the development of the national economy, large-scale mining,chinese dozer water conservancy, power plants and transportation sector demand for medium and large track-type tractors is increasing, although our medium and large track-type tractor manufacturing larger development, but can not meet the national economic development It needs. To this end, since 1979, China has from Japan's Komatsu and Caterpillar crawler bulldozer introduced the production technology, largest bulldozer process specifications, technical standards and material system, digestion and absorption through research and key technologies