JF-17 breaks cover at Myanmar air force party

[blinder]

17 - 2017
01- first
02--second

in production line

No, it is just the Myanmar registration system.
The new Yak-130 are 1801, 1802 et cetera
The F-7 are 1601, 1602 et cetera
The MiG-29 are 2701, 2702 et cetera
The K-8 are 3901, 3902 et cetera
So, the first two digits are unique to the type but have no further significance nor relation to subtype or manufacturing year whatsoever.
The next two digits are sequential.