More than half a century of innovation and experience and the persistent pursuit in the mountains card "rock drill is the perfect embodiment. Excellent quality, superior performance, the mountains card "pneumatic rock drill is widely used in the level of rock in the coal, metallurgy, railway, transport, irrigation, infrastructure and defense projects, tilt, down blast hole drilling operations. 


 The scientific design and careful layout. 
 The use of modern design tools, performance optimization for each product, the ergonomic arrangement of all operating agencies, to ensure high-performance, high efficiency and operation of the convenience, security. 
 Tempered, strive for excellence. 
 The forging of high-quality materials and science, always reflects the meaning of "quality" to ensure product high strength, high wear resistance and impact resistance. 
 Carved, Diandanchengjin. 
 CNC machining, automatic line Unicase heat treatment, to give the guarantee of "quality" and "head" of the self-confidence. 
 Scientific experiments, fine cast. 
 The rock drill factory run by computer control test bench, grasp the dynamic characteristics of each product, to avoid the occurrence of human errors, and to ensure that the manufactured products of excellent quality and superior performance.