Not too long ago I had my mirrors recoated in Sydney by Isaac Qin from
C.Qin Pty Ltd. (advertises in Australian Sky & Telescopes)
Did an excellent job of aluminizing with a quartz overcoating.
Has done many top jobs for well known imagers and others.
If you wanted to contact him :-
PO Box 100
Croydon Park NSW 2133
Australia
10 Clissold Parade
Campsie NSW 2194
Australia
Tel: 61-2-9789 1047
Email:
icqin@hotmail.com
Worth a go. I am very happy with mine.
Cheers Rick