The phrase "are now centred" is correct and usable in written English.
It can be used to indicate that something has become focused or concentrated in a particular area or around a specific point.
Example: "The discussions are now centred on finding a solution to the ongoing issue."
Alternatives: "are now focused" or "are now concentrated".
Inquiries are now centred on another man – whom police have been unable to identify – seen carrying a blond child, believed to be wearing pyjamas, close to the Ocean Club complex at about 10pm that night.
Caregivers report that TSC has changed their daily family routines, which are now centred around the needs of the patient (eg, parents work shifts according to the patient's treatment schedule; the family moves nearer to the neurological centre; holidays are planned based on the availability of treatment and assistance).
Attention is now centred on the "threshold" chief-executive candidates will have to cross.
Having given up on the ex-bankers, our national sorry-seeking is now centred on Gordon Brown himself.
The business school is now centred around the Knight Management Centre, a $345m campus paid for by Philip Knight, Nike's founder and an alumnus.
The action had no effect on the ongoing war in India, which was now centred on the inland city of Seringapatam.
The file was kept at the solicitors Harbottle & Lewis, and the police investigation is now centring on which executives tried to conceal its contents.
The industrial towns of Midsomer Norton and Radstock (formerly known as Norton Radstock) in the south of the district were at the centre of the former Somerset coalfield and are now centres for manufacturing and engineering.
The different applications, be it Twitter, Facebook, LinkedIn or Instagram are now centres of news, opinion, activism, customer engagement and much more.
That murder is now centre stage in Scotland Yard investigations into suspected collusion between the security forces and terrorists.
