南北行 [－－－]

Jyutping naam4 bak1 hong2
Pinyin nán běi xíng

Definitions (粵典–words.hk)
  1. 名詞
    香港​傳​統​嘅​貿​易行​業​；​從事將​「​南​」​（​東南亞​）​「​北​」​（​中國​）​兩​地物​產轉​口​嘅​生意​，​主要​係​由華人​經營​（​量​詞​：​間​）
    Nam Pak Hong, trading companies in old Hong Kong; literally "South-North trader"

南北行 [－－－]

Jyutping naam4 bak1 hang4
Pinyin nán běi háng

Definitions (CC-CANTO)
  1. Nam Pei Hong, a Chinese herbal and medicinal chain in Hong Kong
Definitions (Wiktionary)
  1. noun, historical
    nam pak hong; nanbei-hang