Four M Technologies [P] Limited manufactures Single-stage Continuous Pressure Hydraulic Pumps. Four M Technologies [P] Limited also manufactures various types of hydraulic cylinders and hydraulic modular fixturing systems. The Single-stage Continuous Pressure Hydraulic Pumps contains all the necessary controls and circuitry for powering single or double acting cylinders with continuous pressure regulator and a 40 litre reservoir. The Single-stage Continuous Pressure Hydraulic Pumps has operating pressure ranging from 5 to 60 bars. These Hydraulic Pumps can also be custom designed.