According to HKFA, ???, 1911/12- ????. ??.

Lu Yuan-Liang / (???) http://hkmdb.com/db/people/view.mhtml?i ... y_set=big5 (prod mgr)
Lu Yuan-Liang (2) / (???(2)) http://hkmdb.com/db/people/view.mhtml?i ... y_set=big5 (sound recordist)

Can anyone confirm if they are the same & update?

if nobody stops me in 15 days I will merge them.

merged

Lu Yuan-Liang (2)
Aliases: Luk Yuen-Leung
???(2)
Filmography (1935-1940)

Sound Recordist
New Peach Blossom Fan (1935)
Song at Midnight (1935)
Youth on the March (1937)
Sable Cicada (1938)
The Empress Wu Tse-Tien (1939)
The Empress Dowager (1940)

and

Lu Yuan-Liang
???
Filmography (1935-1965)

Production Manager
New Peach Blossom Fan (1935)
Hearts Aflame (1949)
The Sins of Our Father (1949)
A Fisherman's Honour (1949)
The Lady Racketeer (1961)
Two Ideal Couples (1962)
Red Bat Apartment (1962)
Two Ideal Couples (1962)
Men and Women (1964)
Three Charming Smiles (1964)
Treasure Island (1964)
A Happy Reunion (1964)
The Gold Diggers (1965)
Emperor Takes a Holiday (1965)