... :65Mn 1.ER8, ER11, ER16, ER20,ER25,ER32,ER40 up to ER 50 2.A,M,UM and K type ER ... ER 16, ER 20,ER 25,ER 32,ER 40 up to ER 50 2.Model:A type, M type, UM type ... 2003.Now we have more than 200 employees and continue to employ. We specialize in design, manufacture and marketing of ... Japanese standards,American standards as well as national standards.Welcome to visit our website http://www.dzdrjj.cn Should any ...