Graigar Instruments Co.,Ltd. is one of the leading professional manufacturers and exporters of various instruments and meters in China,exporting to worldwide markets with higher quality and lower price and prompt lead time. We are ISO9001:2000 compliant, most of our products get CE & ROHS approval, some of them get GS, SGS, C-TICK, FCC, FDA, PAHS etc. Also our company can provide OEM, ODM and other business way. With years development and devote us into this field as an expert. Our product lines are now including Coating Thickness Meters, Ultrasonic Thickness Gauges, Vibration Meters, Hardness Testers, Surface Roughness Testers, Moisture Meters, Tachometers, Stroboscopes, Anemometers, Sound Level Meters, Dew Point Meters, Temperature Meters, Humidity Meters, Lux Meters, Water Quality..