In the process of often used to measure, can produce certain wear flatness of micrometer, leading to micrometer to measure the process of precision, error of the measured results, these with the help of the instrument by our professional engineers, displacement of the pingdu repair and calibration, making micrometer can normal use, make its precision restored to the same precision with the new rule, Also can let enterprise produce unnecessary waste, save the cost of the enterprise. Professional maintenance of sanfeng gauge, caliper, height caliper, micrometer, dial indicator, dial gauge, thickness of sheet, altimeter, coarse degree of instrument, microscope, projector, three coordinate measuring machine, two dimensional imaging instrument