GUANGDONG DUBAN TECHNOLOGY CO., LTD is a leading professional manufacturer of precision instruments and meters, with brand products such as sound level meters, vibration meters, tachometers, hardness testers, thickness gauges, line tension meter，infrared belt tension tester，belt tension meter，tint meter，sandblasting and shot blasting roughness meter，surface roughometer，gloss meter，luster meter; other industrial instruments， and can also provide customization according to customer needs. We have customers all over the world, and our instruments are accurate and stable, winning the trust of customers.