Po-Chen Kuo and Jing-Shen Zhang, both 22, fronted Fairfield Local Court on Thursday.

The co-accused were both formally refused bail, and will have their cases returned to Tamworth Local Court in April for brief status committal.

Neither of the men have entered pleas to the charges.

Two men will appear in court today, charged with an aggravated break and enter in Tamworth just before Christmas.

Police will allege they were among a group of males - two armed with a baseball bat and a sharpening tool - who forced their way into a house on Swan Street on December 23 about 8.50pm.

The two men, both aged 22, were arrested separately at homes in Merrylands yesterday, and refused bail to appear in Fairfield Local Court.

In the Tamworth incident, the occupants - three men in their early 20s - were threatened and assaulted before the group of offenders stole personal identification, mobile phones, laptops and car keys.

The residents were taken to Tamworth hospital in a stable condition.

Officers from Oxley Police District established a crime scene and started an investigation under Strike Force Freddie.

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On Tuesday morning, the investigators, with help from Bass Hill Region Enforcement Squad, executed a search warrant at a home on Lansdowne Street, Merrylands.

During the search, police found and seized personal identification and other property believed to be stolen.

About 3.40pm yesterday, detectives arrested a 22-year-old man at a home in Coolibah Street, Merrylands, and took him to Granville Police Station.

Not long after, a second man the same age was arrested at a property in Lansdowne Street, Merrylands, and was also taken to the station.

Both men were charged with: aggravated break and enter committing a serious indictable offence; robbery in company; detain in company with intent to get advantage occasioning actual bodily harm; destroying or damaging property; and receiving or disposing of stolen property.

Investigations are continuing.