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Jyutping sing4 hang4 sing4 si5
Pinyin chéng háng chéng shì

Definitions (Wiktionary)
  1. phrase, idiomatic, of many stalls and shops
    to gather to become a brisk market; to be flourishing; to be booming

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Jyutping sing4 hong4 sing4 si5
Pinyin chéng xíng chéng shì

Definitions (粵典–words.hk)
  1. 形容詞
    形容​某個​產業​或者​某類​型​嘅​商​舖​喺​一​個​地方​發展​得​好​興旺
    (of a business sector, a brand or an industry) to be flourishing;
    • 以前婚紗舖同影樓喺囍帖街開到成行成市。
      以前婚纱舖同影楼喺囍帖街开到成行成市。
      ji5 cin4 fan1 saa1 pou2 tung4 jing2 lau4 hai2 hei2 tip2 gaai1 hoi1 dou3 sing4 hong4 sing4 si5.
      Wedding dress shops and photographic studios were flourishing on Lee Tung Street years ago.

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Jyutping sing4 hong4 sing4 si5
Pinyin chéng háng chéng shì

Definitions (CC-CANTO)
  1. to describe something (industry, business, shop, etc) is getting bigger or booming
Examples (粵典–words.hk)
  1. Cantonese
    以前婚纱舖同影楼喺囍帖街开到成行成市。
    以前婚紗舖同影樓喺囍帖街開到成行成市。
    ji5 cin4 fan1 saa1 pou2 tung4 jing2 lau4 hai2 hei2 tip2 gaai1 hoi1 dou3 sing4 hong4 sing4 si5.
    • Wedding dress shops and photographic studios were flourishing on Lee Tung Street years ago.