Division of Metrology in Length and Precision Engineering




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Address: No.18,Bei San Huan
Dong Lu,Chaoyang
Dist,Beijing,P.R.China, 100013




Division of Metrology in Length and Precision Engineering devotes itself to studying, maintaining, developing and improving national measurement standards and primary standards of geometrical parameter values. It keeps up with the world’s progress in length and precision engineering technologies to ensure the nation’s geometrical standards among those with top performance both at home and abroad.


Length Division carries out research work on geometrical precision measurement technology, standards designing and on-line measurement method. It establishes a traceability system of geometrical parameter for reliable and consistent value dissemination. It is in charge of some international comparisons of geometrical parameter values, and takes part in drafting, editing and revising works of international recommendations, national standards and metrological specifications.


Length Division also provides services and technical support to meet the requirement of national economic development, advanced manufacturing, engineering construction and public welfare.