... 6CT,B3.3,QXS15,A23003.We have these Brand:Cummins,CAT,KOMATSU,MITUBISHI,HINO,ISUZU,NISSAN,BENZ,TOYOTA,YAMMAR,DAEWOO, ... make as customers' requirement.2.Piston CYL DIA : we produce piston diameter between 80mm and 420mm . 3.Piston material : MAHLER 124 , MAHLER ... hole of special shapes ,separated piston type ,casting iron piston type to meet your requirements for piston surface treatment.5.We have ...