LUOYANG JIUJIU TECHNOLOGY CO.,LTD  

LUOYANG JIUJIU TECHNOLOGY CO.,LTD Located within Luoyang Hi-tech Development Zone, LUOYANG JIUJIU TECHNOLOGY CO.,LTD is specialized in production of tunnel boring machines, series of products of TBM tools, series of products of engineering drillers and rock breaking hobs, series of products of raise-boring machines and tools and series of products of wear resistant and heat resistant materials.It is a national high-tech enterprise integrating scientific research, design, production, marketing and service. It has passed certification of design, development, production and service quality system for standard rock breaking tool and wear resistant liner plate as per GB/T19001-2008. By means of introducing, digesting and absorbing technologies, combination of independent research and development and joint development and continuous innovation, it has successively participated in tackling key problems in science and technology related to wear resistant materials and shaft hob during the