1.The imported original drill row, famous and superior original electric appliance.2.The machine tool elements choose the superior steel materials. They have been heat-treated with high intensity and eternal non-deformation.3.The kinetic components choose the high-grade anti-wear materials with fine durability.4.Size positioning, prompt; accurate and convenient operation.F65-1J Single-group hinge boring machine F65-2J Double-group hinge boring machine F65-3J Three-group hinge boring machineF65-4J Four-group hinge boring machine
