METROLOGY is Jingstone owned oversea brand marketing globally and No.1 measuring brands in Taiwan. We marketed with the faith of Quality, Service, Trust and Reasonable price more than 20 years. Our products provide a wild range of measuring instruments for a serious of Calipers, Micrometers, Dial indicators, Gauges & Tools, Optical instruments, and Calibrators. METROLOGY represents we are professional manufacturer and supplier of dimensional measuring equipments, with ISO/IEC G17025 accredited Calibration Laboratory and Germany TUV CERT ISO 9001 certification since 1983.   Our products own the patent in Taiwan, Germany and USA; Jingstone devoted in researching, development, design, assembling, and checking, and OEM by the well-known factories in Germany, Swiss, USA, England, Japan, India, China and Taiwan. All products are made under strictly quality control and calibrated 100% by Jingstone Calibration Laboratory. We, Jingstone, aim to offer our worldwide customers with low-cost and high-effect measuring tools so to enrich their QA and QC efficiency in field. Please contact us if you are pursuing for good quality measuring equipments.