The flight MU5735 had 123 passengers and nine crew members, reported ANI quoting official Chinese news agency Xinhua.
The Civil Aviation Administration of China updated on its website about it.
Chinese aviation authorities had said earlier that they could not trace any survivors from the crashed aircraft.
The chairman of China Eastern Airlines Yunnan branch at a news briefing had said, “No survivors have been found so far in Monday's plane crash.”
The Boeing 737 aircraft of China Eastern Airlines took off from Kunming and was headed to its destination at Guangzhou but in between, the plane crashed at about 2:38 p.m. into a mountainous area near the Molang village in Tengxian County in the city of Wuzhou, causing a mountain fire.
Shortly after the announcement, Boeing company, the manufacturer of the aircraft expressed grief at the incident.
The company said in a statement, "Following the CAAC's announcement a short time ago, we extend our deepest condolences for the loss of those on board China Eastern Airlines Flight MU 5735. Our thoughts and prayers are with the passengers and crew, their families and all those affected by this accident.”
"Boeing will continue to support our airline customers during this difficult time. In addition, a Boeing technical team is supporting the NTSB and the Civil Aviation Administration of China who will lead the investigation," the statement added.