... volume; 2.compact structure; 3.convenient maintenance Hydraulic oil press structureThis machine mainly includes three parts1 .Main engine ... boring , then it being droved up by the oil cylinder piston ,oil will outflow from the gap of press boring , ... meter, pressure gauge, power insurance and so on.Hydraulic oil press capacity materialsmodelstime period/timeweight/timeoutput /10 houroil ratiosesametype ...