Chuen Sun Knitting Factory

HF: This picture shows the trademarks of Chuen Sun Knitting Factory, including Three Fives Brand, Seven Sevens Brand, under which knitted shirts, vests, shirts and sportswear were manufactured.

The factory was first established by Chan Mo-chau and partners at O’Bailey Street in Macau.

In 1934 the company set up a factory at 98-200 of Tung Choi Street of Mong Kok.

In 1947 the factory was relocated to 206-214 of Tong Mi Road of Shum Shui Po with a floor area of 7,000 sq. ft. [all the above from (1)]

1947 Courtesy: hkmemory

Courtesy: hkmemory

Source: (1) The Hong Kong Memory Project

See: The Hong Kong Memory Project Hong Kong Memory (HKM) is a multi-media web site that gives free and open access to digitized materials on Hong Kong’s history, culture and heritage. The materials include text documents, photographs, posters, sound recordings, motion pictures and videos.


  • Anthony LAU

    If you can read Chinese, there is also a news report on this factory in 2010:

    Now, the owner is Mr. Ng Chi-ming (吳志明).

    • Jim Aston

      i bought some of the 555 under shirts some [10] years ago. they still are my favorites. i reside in the US now and would like to know if I can still purchase the 555 shirt. A contact # or email address would be appreciated. Thx

    • Chi

      Do you know where to buy 555 undershirt? Can you please share contact details and address? Or any link? Thank u

  • York Lo

    The founding family’s last name is Chan

  • Chris

    There is some bad news to report. On 16 Aug. 2018, a post on the official Facebook page of the 555 Brand cotton undershirt announced cessation of production. I have translated it as follows:

    ‘Hong Kong Chuen Sun Knitting Factory, manufacturer of the 555 Brand cotton undershirt, would like to respectfully inform our dear customers from Malaysia, Singapore, Taiwan, China, Hong Kong and Macao that due to this environmentally-friendly era, our factory can no longer continue production in the traditional, unique way.  To preserve our reputation, we are forced to cease production. We are sincerely grateful to all our customers for their support over the past ninety years. Manufacturing was ceased in June 2018 and our stock is sold out. Thank you.

    ‘Hong Kong Chuen Sun Knitting Factory retains the ownership to the 555 cotton undershirt brand (made in Hong Kong).  Please do not buy counterfeit products that are not made in Hong Kong. We have not asked any overseas agents to continue selling 555 Brand cotton undershirt products.

    ‘Until we meet again……555 cotton undershirts~made in Hong Kong’


    I was informed that products are still available from the factory or from Yue Hwa Chinese Products Emporium in Yau Ma Tei.

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