Dynabit Nobel RWS i believe is the manufacturing name that makes diana. But its said Diana RWS as far as a name is concerned.

. Don't mean to get arguin.
No arguin' at all - I am trying to get the facts straight in my own mind too.
I believe
Dynamit Nobel AG is now under the umbrella of
RWS (Rheinisch-Westfälischen Sprengstoff)
RWS are renowned ammunition manufacturers, who are also very well known airgun pellet makers.
No where on the
RWS German website are airguns listed - Diana or otherwise.
Diana Airguns (Germany) does have its
own website where my admittedly cursory search does not seem to even mention RWS....? and certainly do not list, or mention any affiliation with the Spanish airgun maker Cometa.
In the USA - RWS airguns is under the umbrella of
Umarex USA -
but Umarex also seems to have - Walther, Beretta, Colt, Hammerli, Smith & Wesson.
So my
GUESS/speculation (since I do not know for sure) -
RWS is a munitions manufacturer in Germany -
but
in the USA - the name RWS may also be a tradename used by Umarex -
and that RWS tradename has actually sold re-badged airguns at least from Cometa, as well as Hammerli eg: there is a
RWS Hammerli 850
Perhaps you can add more to help clear all this up, please?
EDIT to ADD -
Searching on RWS over at Wikipedia gives just this:
"
The three-letter abbreviation RWS may stand for one of the following, depending on context:
...
Rheinisch-Westfälische Sprengstoffwerke (Ger. "Rhinelandic-Westphalian Explosives Works") a brand of rifle cartridges, rimfire ammunition and airgun pellets; marketed by Swiss company RUAG Ammotec since 2002, who also license the RWS brand to Umarex USA for the marketing of their premium line of air rifles
... "
Doing a Google on "RUAG Ammotec" finds these:
RUAG Ammotec
which seems to show it represents: "
RWS, Geco, norma, Rottweil, Hirtenberger, Dynamit Nobel, SM"
and
RUAG Holding AG
which unfortunately doesn't seem to get us any further about RWS
airguns
EDIT 2 -
More confusion -
Diana Model 31 Panther series (as listed by Diana Airguns Germany) is sold as the
RWS 34 P series by Umarex in the USA
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