... displacement from 0.19~2.0ml/r aluminiu boday, stong and good lookings ling life, good quality Group 0.5 ... Gear Pump, Hydraulic Pump, Hydraulic Gear Pump, with displacement from 0.19ml/r to 2.0ml/r, have front cover ... , metallurgy and petroleum industries. Our products range including Group 0.5, Group 1, Group 2, Goup 2.5, ... pump including double pumps and triple pumps Group 0.5 Hydraulic Gear Pump