... ,engine piston for various brands We have supplied products for pistons as follows:FAW,Cummins,Sinotruck,Deutz,Steyr,Benz,Man series ... company can design,manufacture and examine a various kinds of pistons for the internal combustion engine.Among these are:austenite resistance ... anodic oxidation in top etc...Stery and Cummins B series pistons are confirmed as well-konwn brand products of the Chinese ...