Profile: Guangzhou Landtek Instruments Co. Ltd. is a manufacturer of measuring instruments in China over 20 years. Our products include Ultrasonic Thickness Gauge, Coating Thickness Gauge, Vibration Meter/Calibrator, Sound Level Meter/ Calibrator, Noise Dose Meter, Surface Roughness Tester, Moisture Meter for wood/concrete/textile/grain/soil/cocoa bean/paper, Hardness Tester for metal/rubber/wood/textile/fruit, Gloss Meter, Whiteness Meter, Reflectance Meter(Cryptometer), Color Meter, Window Tint Meter, Belt Tension Tester, Screen Tension Tester, Yarn/Wire Tension Tester, Force Gauge, Muscle Strength Tester, Portable Water Activity Meter, ATP Meter Fluorescence Detector, Gauss Meter for magnetic field strength, Anemometer for wind speed/direction, Dew Point Meter, Stroboscope, Digital Tachometer, Lux Meter.