This is obviously the same person.

Doreen Chien Rong-Rong 容蓉 https://hkmdb.com/db/people/view.mhtml?id=3521&display_set=eng Actor (30 films)

Chin Yung-Yung 錢蓉蓉 https://hkmdb.com/db/people/view.mhtml?id=3199&display_set=eng Actor (5 films)

If no one objects, I'll modify this page in the next day or two.

Merged.
One day I found it while watching Jimmy Wang Yu's Professional Killer.


容蓉 ♀
Doreen Chien Rong-Rong

Actor (35 films)
The Return of Spring (1954)
The 7 Heroes Versus the Shrew (1955) ... Boss Fong
The Shining Purple Goblet (1955)
Eight Dames Tease the Scholar (1957)
Darling Girl (1957) ... Ah Yung
On Mount Hehuan (1958)
Sugar-Cane Girl (1958)
Golden Age (1959)
Red Scarf, the Flying Heroine (1961) ... Zhou Hsiao-Feng
Under One Roof (1961)
Mung Li Chuen (1963)
Seven Fairies (1963) ... Tung Yung
The Imperial Lady (1964)
The Magic Lamp (1964) ... Inmortal
How the Oil Vendor Won the Beauty Queen (1964)
Romance of the Forbidden City (1964) ... Empress
Three Smart Girls (1965)
The Haunted (1967) ... 2) Zhu's wife, Yun-Lan
Operation Macau (1967)
The Crimson Rose (1967)
The Boat Girl (1968)
Travels with a Sword (1968) ... Chin Hu
Red Plum Pavilion (1968) ... Maid Chao Hsia
Song of Our Family (1968) ... Ching Ru-Wei
The Violet Mansion (1969)
The Monkey in Hong Kong (1969)
The Black Panther (1969)
My Father-in-Law (1969)
The Spirits (1969) ... 2) Wang's wife + Fortune Flower
The Apartment (1970)
Five Plus Five (1971) ... Hsiao Yu
Professional Killer (1971) ... Hsiao Yin
Treasure Castle (1971)
Naughty! Naughty! (1974) ... Auntie Six's tenant
The Playboy (1975)