The hunt for the Malaysia Airlines jet has become the most expensive maritime search operation that China has been involved in, according to experts.
Chinese naval vessels on Tuesday expanded the search area in the Indian Ocean for the missing Malaysia Airlines plane in a bid to pick up suspicious pulse signals detected last week.
China's deep-sea manned submersible Jiaolong is capable of salvaging the black box flight recorders from the missing Malaysia Airlines jet, according to an official.
The search leader hunting for missing Malaysian flight MH370 said that no submersible onboard the Australian vessel "Ocean Shield" would be deployed unless the ship detects more credible signal.
Australia's Ocean Shield, which picked up possible "pings" from the black box recorders of flight MH370, has been unable to detect any further signals.
The hunt for missing Malaysian Airlines Flight MH370 is on track to cost hundreds of millions of dollars, becoming the most expensive search in aviation history.
A robotic search vehicle is likely to be sent deep into the Indian Ocean on Tuesday to look for wreckage of a missing Malaysian jetliner on the sea floor.
A concentrated air and sea search was underway in the Indian Ocean after an Australian ship detected faint pings deep underwater.
China must speed up the development of amphibious aircraft to be better equipped to conduct maritime search and rescue missions, said an aviation expert.
For journalists covering the search for Malaysian Airlines Fflight MH370 it has been a long, drawn out affair.
An Australian vessel searching the missing Malaysian flight 370 has detected electronic pulse signals probably related to the black box in the Indian Ocean during the past 24 hours.
Four Chinese ships and a British ship on Monday continued the hunt for missing flight MH370, scanning an expanded sea area in the Indian Ocean.
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