PHU SON Corporation installs a system of pipes and argon gas cylinders (insulated inert gas) with an online automatic filling mechanism controlled by PLC according to data that automatically calculates capacity and can set the percentage of volume. gas to automatically charge the machine according to requirements and display the argon gas filling rate in real time on the screen of the automatic YBKE large-sized soundproof insulating box glass production line at the SOMVANG GLASS factory.