OK same name, both Taiwanese, both Prod.man.

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

Merged

???
Chang Huan-Kon
Chang Fan-Kon, Cheung Wun-Kung, Chang Huan-Gan

Filmography (1970-1982)

Production Manager (4 films)
Monkey King with 72 Magic (1976)
Dreaming Fists with Slender Hands (1979)
The Tragic Explosion (1980)
Burning of the Red Lotus Monastery (1982)
Unit Manager (1 film)
The Big Calamity (1976)
Props (4 films)
Duel of Karate (1970)
A Brave Girl-Boxer in Shanghai (1972)
The Tormentor (1973)
Fist of Shaolin (1973)


and

???
Zhang Huan-Gong
aliases: ???
Filmography (1979)

Production Manager (1 film)
12 Baldheaded Beauties (1979)