Jingstone, as the leading precision measuring company in Taiwan, we offer all kinds of measuring tools and equipments, including calipers, micrometers, dial indicators, gauges & tools, optical instruments, calibrators and granite master gauge. Furthermore, we have also successfully introduced 2D image measuring instruments and 3D coordinate measuring machine to the market. <br/><br/>Our products obtained accredited certificates, such as ISO/IEC 17025 Calibration Laboratory and Germany TUV CERT ISO 9001 certification, and patents of Taiwan, Germany, USA and UN. Been proven by these international organizations, we can assure you that our quality is indubitable. With the finest quality, we have sold our products over 50 countries around the world, and we enjoy an excellent reputation through 27 years. Jingstone Precision Measuring & Calibration Co., Ltd. is a sure that you will be quite satisfied with our services and the excellent quality of our goods.