GUANGZHOU DONGRU ELECTRONIC TECHNOLOGY CO., LTD. (Dongru-Tech) designs and supplies industrial inspection and measurement instruments for coating thickness, ultrasonic thickness, light transmittance, gloss, and haze measurement.
What we do
We focus on handheld and portable instruments used in quality control, production inspection, and field assessment. Our product range covers five measurement methods aligned to specific material and application requirements.
- Coating thickness measurement (magnetic and eddy current)
- Ultrasonic wall thickness inspection
- Light transmittance and haze testing
- Gloss and surface finish measurement
How we work
Every product in our catalog is supported by structured specification data, application notes, and selection guidance. We work with distributors, inspection agencies, and production teams who need reliable instruments backed by clear documentation.
Product integrity
Our website lists only current, actively supported models. Each product record includes verified specification fields that can be compared across instruments. Discontinued and legacy models are excluded from the catalog to ensure the information you rely on is up to date.
Founded: 2010
Headquarters: Guangzhou, China