... efforts to find better mud pump similar EMSCO Tiger is your best choose ,ALL mud pumps &package(DC) ... grinding process on mud pump, when running, performance is more stable, low noise, square parts have a ... long life save energy, in fact, grinding process is more expensive. Until today, only, Baoji, tiger rig ... color ,and if there is no this color you want ,we will obey your choose and sign in the ...