Hi-life machine tools presents hydraulic internal grinders with higher precision. These machines are equipped with an auto-cycle with adjustable feed, auto dressing with auto dressing compensation, and anti-friction bearings. The work-head spindle works with precision and can swivel up to 30 degree for grinding taper bores. The machines has separate hydraulic and electric units., dc drive of work-head for variable speed, turcite c coated slide ways, and a centralized lubrication system. The company also manufactures spms for the bearing and automotive industry.