We, guiyang joint-win import and export co., ltd as leading manufacturer and exporter in china, we are producing and exporting: profile projector, vision measuring machine, tool-maker' s microscope, microscopes,linear scales and dro for machine tools. besides, in order to provide more perfect service and meet customer' s different measurement demands, we also are dealing with hardness tester,universal testing machine, thickness gauge etc. we had got the production license of measuring instrument