The products of USUDA-KOGYO are fabricated in the world of microns that the processes require a very high precision, that requires specialized measurements in order of micron.
If the measuring devices are not thoroughly maintained, a product of high quality may not be manufactured.So our quality control system is managed under the international standards ISO 9001 and our measuring devices are maintained thoroughly daily.
Each of the measuring devices is attached with ID, calibration certification seal, and next calibration date so that the maintenance is thoroughly conducted.