... . Since the foundation,we persist the idea of "Quality is the life of enterprise,and Innovation is the develpping engine." ... Laiwu Steel Group,Rizhao Steel Group,China traffic and construction Grop,China Railway Departments,Yantai Haishan Construction Group,etc. Our ... the user`s expect,we have increased the investment of technology.And established Qingzhou Magnetic Equipment Rearch Institute in ...