wonepart are standards seal factory and supply rod seal factory, supply hyd seals quotes, supply seal kits quotes, china skf o ring factory, and we are also china back up ring quotes and can supply all kinds of HITACHI seal kits for excavators, bulldozers, wheel loaders, wheel dozers, cranes, backhoe loaders,dump trucks, graders, hydraulic breaker, crawler loaders and so on. Moreover, we have the model of HITACHI as following seal kits for sale: