Valve maintenance service

-  Service of maintaining pressure safety valves (PSV), control valves, manual valves and C & I equipment for the 1st and 2nd turnaround of Dung Quat Refinery in 2011 and 2014.
-  Service of maintaining pressure safety valves

(PSV), control valves, manual valves for the turnaround of Ca Mau Fertilizer plant in 2013, 2014 and 2015.
-  Service of maintaining control valves for the turnaround of Phu My Fertilizer plant in 2013 and 2015.