Department of Metrology organizes the implementation of metrological laws and regulations, popularizes legal metrology units, administers and supervises national primary metrological standards, metrology standards and reference materials, organizes and formulates national verification system for metrology, verification standards and procedures, and technicalstandards for measurement, organizes national unit value dissemination, supervises and administers metrological instruments all over the country according to the law, standardizes market measuring behavior, organizes the verification of metrological arbitration, standardizes social equity metrological service agencies, undertakes the detailed work of OIML.