Troisi, who has missed out in Socceroos coach Ange Postecoglou's last three squads, joined Liaoning – his ninth club of a much-travelled career – from Saudi side Al-Ittihad Club in January on a six month contract.
He has made just three appearances this season for the club which is also home to fellow Aussie Michael Thwaite.
Liaoning are close to agreeing a transfer fee with Western Sydney for marquee attacking midfielder Vidosic who headed to Wanderland following his departure from Swiss club Scion.
It’s believed Vidosic, who made 28 appearances for the Wanderers in his debut season - including coming off the bench in the grand final loss to Adelaide United - will be released from the second year of his two-season deal to take up what is believed to be a highly lucrative offer.
He will initially sign for six months, with an option for another season, and is seen as a possible panacea by a team languishing bottom of the the CSL with just eight points from 11 games.
Vidosic, who has also fallen out of favour with Postecoglou in recent times, will see the move as a chance to put himself back into the frame while, at the age of 29, securing his financial future.
He is expected to jet to China within a week for a medical, while the immediate future of Troisi, 27, appears yet to to be determined.
Vidosic will add to the growing Australian Contingent in the CSL which features Socceroos icon Tim Cahill and Matthew Spiranovic (Hangzhou Greentown), Australia striker Apostolos Giannou (Guangzhou R&F), Australia defender Ryan McGowan (Henan Jianye) and the lesser known Aleksandar Jovanovic (Tianjin Teda).