JZN, is a committed to R & D, design, manufacturing, sales, service in one of the technology-oriented enterprises mainly committed to R & D and large-scale production of various ceramic bearings and structural parts, after years of development, the company now has hundreds of first-class production equipment and testing instruments. Strong war bearing since its inception has focused on research and development, and continue to increase research and development efforts, now has a professional technical team, to conquer and master the processing characteristics of special materials and forming technology.