Qingdao LKC Hydraulic Machinery Co. ,Ltd , founded in Qingdao national high-tech industrial development zone in 2006, is mainly engaged in R&D, manufacture, sales and service of hydraulic system of construction machinery ,mining machinery and pilling machinery. The company has researched and developed traveling device covering with track drive machines from 1.5t to 36t,realized medium ,small and mini-serialization pattern .It has been domestic professional manufacturer of track drive device with the most varieties and the biggest batches.