Our quality control
We have three septs for the quality control :
1. 100 degree hot water to testing the welding leakage .
2. With the helium pressure for 8 hours to testing the float ball compression.
3. Use the helium mass spectrometer to vacuum test (one by one )
4. The final to check the whole shape which is boutique , then final to package it (one by one )
Our Equipment: