http://www.hkmdb.com/db/people/view.mhtml?id=24146
http://www.hkmdb.com/db/people/view.mhtml?id=97048
Same person. The later entry had the first two characters swapped, so I fixed it and found out it was a duplicate.

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

Merged

???
Chong Chong-Hai
Chung Chung-Hoi

Filmography (1994-2000)

Producer (1 film)
Pan Ke Yu Lei Gui (2000)
Planning (1 film)
Chise Mengyan (1994)


and

???
Chung Tsung-Hai
Chung Chung-Hoi

Filmography (1980-1999)

Producer (2 films)
East District Pretty Woman Someone Talk (1994)
Tian Tang Niao Zhi Wen (1995)
Senior Producer (1 film)
Zui Hou Bian Yuan Ren (1999)
Props (3 films)
Spring in Autumn (1980)
On the Society File of Shanghai (1981)
The Merry Couple (1981)