... It usually connect with the flexible drive hose and gasoline/desiel engine,so we call it Dynapac connector. Most of ... supply the flexible rubber ,flexible shaft and kinds of engine used together with the Dynapac connector.Liaocheng YangFine Jeonil ... trowel etc .Main products:Kinds of flexible shaft concrete vibrator,gasoline engine submersible pump ,concrete floor saw ,power trowel ,plate compactor ...