We mainly engages in engine parts, such as cummmins: nt855, kta19, kta38, kta50, isx15, qsx15, qsl9, nh220, 6bt, 6tc, b3; komatsu:s6d102, s6d95, 6d125, 6d108, 6d155, saa6d107; car:s6k, 3306, 3406 and so on. We have following adventures: firstly, fit for cummins qsx15, good quality cylinder head gasket offer. Secondly, in the line with the cummins global standards. Thirdly, longer duration, higher quality, more reliable performance and lower maintenance. Furthermore, a sound aftermarket service. According to your requirements