1. During production, we always take multistep rectifications and purification. Meanwhile, there is online analysis system in very step to check the quality.
2. Before filling, there is much attention on handling cylinder. Since it's a big factor to influence the gas's purity after filling in cylinder. There are drying, passivation, vacuumizing, replacement etc. processes to dry water and get rid of other residual gases. Only in during, it will take 6 hours.
3. After filling, the finished products must be inspected then be in shorage.
On-line Analysis System
Cylinder Handling
Finished Product Inspection