Hunan Lieyan Technology Co., Ltd. Was established in 2015 with a registered capital of 15 million yuan, occupying a land area of 90 acres and a building area of 40000 square meters, including a factory of 18000 square meters. It currently has more than 80 employees and more than 120 sets of CNC and testing equipment. It has cooperated with multiple universities such as Central South University, National University of Defense Technology, and China University of Mining and Technology for research and development projects, and has 83 patents, including 13 core patents for rock drilling and fracturing machines, The enterprise has passed the ISO9001 quality system certification and has been awarded the title of High tech Enterprise and the "Little Giant" Enterprise with specialization, refinement, and novelty The main products include rock drilling and fracturing machines, fully hydraulic rock drills, fully hydraulic excavation and transformation drilling machines, hydraulic splitting machines, and other products. Widely used in fields such as ultra hard rock open-pit mining, tunnel excavation, static rock blasting, industrial and mining mining, building construction, municipal engineering, national defense engineering, etc.