Canada Fuller KT88G Gold Pin Vacuum tube

[joeinid]

http://www.ebay.com/itm/Quad-matche...Vacuum-tube-/320756899403?hash=item4aae99de4b

Anyone hear of these tubes?

Canada Fuller and OEM made by Chinese ShuGuang

 

[BeerCan]

Grant Fidelity claims they were made by GuiGuang before the went exclusively psvane