equipment fir checking cng cylinders

RFQ Details

In Armeni two years once cars should pass check on safety and durability gas cylinders, that check is doing with water or air with compressor.
Our company survey the cylinders with 300 Hyd. tes pressure, then our firm gives the certificate and garanti for two years they can use this cylinders on 200 working pressure.
We have such equipment but none standart and there are old, in 2008 GOVENRMENT demands that there were standard and license equipment for survey gas cylinders.
And also i want buy cng cylinders and reduktors!