Question: Which Hong Kong film production company produced The Proud Youth?

Context articles: Nick Cheung
The Proud Youth
Win's Entertainment
Mediacorp Raintree Pictures
Vicky Wong
Shaw Brothers Studio
Hong Kong Film Award for Best Director
One Hundred Years of Film
Hong Kong Film Award for Best Actress
92 Legendary La Rose Noire

Nick Cheung Ka-fai (; born 2 December 1964) is a Hong Kong actor.
 He is a former Royal Hong Kong Police officer for four years, but he left the job after his request to be transferred to the criminal investigation department was turned down.
 He then worked for Danny Lee's film production company.
 His film debut is ""Thank you, Sir!""
, as a student at the Royal Hong Kong Cadet School.
 From 1989 to 1994, he worked at the television station ATV World.
 Later, he left ATV and joined another station, TVB.
 He left TVB in 2004, and worked mainly on films.
 His fame was built on Wong Jing's comedy at first, but he has changed his acting style for more sombre roles since 2003.
 He was nominated for his first Hong Kong film award in 1999, and won his first award in 2009 for his role in "Beast Stalker".
 He has been nominated many times at the Hong Kong Film Awards and other Chinese film awards since then.
The Proud Youth is a 1978 Hong Kong film loosely based on Louis Cha's novel "The Smiling, Proud Wanderer".
 It was produced by the Shaw Brothers Studio, directed by Sun Chung and starred Wong Yue, Shih Szu, Michael Chan and Ling Yun.
Win's Movie and Television Production (Hong Kong) Co Ltd () originally known as Win's Movie Production & I/E Co. Ltd. and Win's Entertainment (Hong Kong) Co. Ltd., was a Hong Kong film production company that was formed by producer Charles Heung and his brother Jimmy Heung.
 Following its establishment in 1990, Win's Entertainment went on to become one of the powerful film producers in Hong Kong.
 The company helped to establish the careers of actors Jet Li, Chow Yun-fat, Andy Lau, Stephen Chow and Lau Ching-Wan.
 The company was defunct in 2009.
Mediacorp Raintree Pictures () is a film production company based in Singapore.
 The company, a division of Mediacorp Group, was established on 31 March 1996.
 The company occasionally ties up with other film companies to produce Asian or Western films.
 The company produced the Singaporean comedy, "" featuring the cross-dressing Jack Neo, which was an instant comedy hit in the republic.
 It financed a second film produced by Hong Kong's Film Unlimited, "The Truth About Jane and Sam", which was directed by Derek Yee, a respected director in the region.
 That film garnered a Best New Performer nomination at the 19th Hong Kong Film Awards for its lead actress, Singapore's Fann Wong.
Vicky Wong Wai-kit ( ) is a Hong Kong film director.
 He co-directed the 2016 film "Trivisa" produced by Hong Kong film director Johnnie To and screen writer Yau Nai Hoi.
 Trivisa has won numerous awards including Best Screenplay, Best Editing, Best Actor, Best Director and Best Picture at the 36th Hong Kong Film Awards, Best film at the Hong Kong Film Critics Society Award.
 Vicky was also nominated for Best New Director at the 53th Golden Horse Film Festival and Awards.
Shaw Brothers (HK) Ltd. () was the largest film production company of Hong Kong.
The Hong Kong Film Award for Best Director is an award presented annually at the Hong Kong Film Awards (HKFA).
 It is given to honour the best director of a Hong Kong film.
 The 1st Hong Kong Film Awards ceremony was held in 1982, with no formal nomination procedure established; the award was given to Allen Fong for his direction of "Father and Son."
 After the first award ceremony, a nomination system was put in place whereby no more than five nominations are made for each category and each entry is selected through two rounds of voting.
 Firstly, prospective nominees are marked with a weight of 50% each from HKFA voters and a hundred professional adjudicators, contributing towards a final score with which the top five nominees advance to the second round of voting.
 The winner is then selected via a scoring process where 55% of the vote comes from 55 professional adjudicators, 25% from representatives of the Hong Kong Film Directors' Guild and 20% from all other HKFA Executive Committee Members.
One Hundred Years of Film Co. Ltd. () is a Hong Kong film production company.
 It is a subsidiary for Hong Kong film distributor China Star Entertainment Group.
 The company was formed by Charles Heung in 1999.
The Hong Kong Film Award for Best Actress is an award presented annually at the Hong Kong Film Awards (HKFA).
 It is given to honour an actress who has delivered an outstanding performance in a Hong Kong film.
 The 1st Hong Kong Film Awards ceremony was held in 1982, with no formal nomination procedure established; the award was given to Kara Hui for her role in "My Young Auntie".
 After the first award ceremony, a nomination system was put in place whereby no more than five nominations are made for each category and each entry is selected through two rounds of voting.
 Firstly, prospective nominees are marked with a weight of 50% each from HKFA voters and a hundred professional adjudicators, contributing towards a final score with which the top five nominees advance to the second round of voting.
 The winner is then selected via a scoring process where 55% of the vote comes from 55 professional adjudicators, 25% from representatives of the Hong Kong Performing Artistes Guild and 20% from all other HKFA Executive Committee Members.
92 Legendary La Rose Noire is a 1992 Hong Kong comedy film written and directed by Jeffrey Lau and starring Tony Leung, Maggie Shiu, Teresa Mo, Wong Wan-sze and Fung Bo Bo.
 The film was nominated for eight awards at the 12th Hong Kong Film Awards, where Leung won his second Hong Kong Film Award for Best Actor and Fung won her first Hong Kong Film Award for Best Supporting Actress.
 "92 Legendary La Rose Noire" was ranked number 75 of the Best 100 Chinese Motion Pictures at the 24th Hong Kong Film Awards.
 The film was followed two sequels, one released in 1993 titled "Rose Rose I Love You", where Leung reprises his role but features a new storyline, and another released in 1997 confusingly titled "Black Rose II", also featuring a new storyline and different cast.