Officers carried out a search warrant at a house in Merrylands just after 8am on February 2.
Three mobile phones, clothing, cocaine and cannabis were seized from the home.
A 20-year-old man was arrested at the home and taken to Granville Police Station where he was charged with drug supply offences.
He was refused bail and will appear at Fairfield Local Court next week.
Another search warrant was carried out at a home in Merrylands about 8.10am yesterday where four mobile phones, clothing, prescription drugs, scales, cocaine and bottle suspected to contain Gamma Butyrolactone (GBL) were seized.
Detectives went to a unit at Yagoona about 10.50am yesterday and found a man allegedly hiding in the roof cavity.
He was arrested and taken to Granville Police Station where he was charged with drug supply offences.
Police will allege the man was directing the drug supply network.
The 30-year-old Merrylands man was refused bail and will appear at Parramatta Bail Court today.
It comes as strike force detectives arrested and charged a 22-year-old man over his alleged role in the syndicate late last year.
He is due to appear at Fairfield Local Court next week.
Investigations under the strike force are continuing.