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Kaifeng Qingtian Engineers Calibrate Products Carefully

2016-11-05
We pay much attention to quality control and the calibration.
Each product before out of our factory, engineers will do the calibration carefully.
Now we own 5 sets calibration device with water calibration, 1 sonic nozzle  calibration 
device for gas calibration.
We will try our best to provide you with the best quality products.









 



 

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