Immigration and Police officers have arrested 58 Mainlanders in an anti-illegal employment crackdown on December 27 and 28.
They raided several blackspots for parallel goods trading, including the Advanced Technology Centre and the vicinity of Po Shek Wu Road.
Thirty-five men and 23 women from the Mainland, aged 17 to 64, were arrested for breaching their conditions of stay by being involved in parallel goods trading. All have been detained for questioning.
Officers seized cartons of baby products, daily necessities, food and cosmetics.
From September to December 26, a total of 413 Mainlanders and eight Hong Kong residents have been arrested for parallel goods trading.
Seventy-seven Mainlanders have been prosecuted for breaching their conditions of stay, and 69 have been jailed for up to two months. More than 330 people have been repatriated.