The nation recorded 162,445 medical tourists by the end of the first half of 2014.
At least 100 people are arriving from Iraq each day, many of them smuggled across the border by locals, sometimes paying up to $1,000 per family.
The Chinese Foreign Ministry said it is coordinating with Turkish authorities to find the workers, kidnapped by militants on Monday.
The advance of ISIL has alarmed Ankara and its Western allies, forcing them to step up intelligence sharing and tighten security cooperation.
The firms were asked to extend their bids until the end of the year, the Defence Undersecretariat said in a statement.
The authorities are now making efforts to find the missing men.
Security officials say a coal power plant was attacked by Kurdish Workers' Party (PKK) members.
Renowned Turkish cardiovascular surgeon, Bingur Sonmez was assaulted by an unidentified person, or people, in a square in the eastern province of Kars in Turkey
Kaya said he was sending a message to the leaders and scholars of the Muslim world.
Police claimed the man identified as Bulent A, killed in a gunfight in Ankara, Turkey, was the leader of a drug gang with an extensive criminal record
Simulatenous raids across Turkey saw 11 police officers arrested for alleged involvement in wiretapping scandal.
Media claims that Turkey will hand over the Suleiman Shah base in Syria to the Islamic State (IS) in return for the release of 49 Turkish consulate staff kidnapped in Iraq's Mosul since June are an example of "irresponsibility", said Ankara.
The Eritrean capital Asmara becomes Turkish national flag-carrier's 42nd destination in Africa
One person has been confirmed dead after clashes broke out when security forces arrived to remove an illegal statue of a PKK leader.
Twenty out of 32 suspects accused of conducting illegal wiretapping detained in Izmir, Istanbul and Yalova.
The latest ship loaded with northern Iraqi oil left a Turkish port as the amount of oil pumped to Turkey from northern Iraq reached 7.8 million barrels.
Midyat refugee camp is set to accept thousands of Yazidis after the completion of medical check-ups.
Citizens and authorities remember the 18,000 people killed by 1999 earthquake
Initiated by Turkish Prime Minister Erdogan, the aid campaign has raised 45 million Turkish liras for people in Gaza
Twitter management will hold a meeting Aug. 25 in the Turkish capital with Turkey's information technologies authority.
There has been a sharp increase in the number of mini-tornados hitting Istanbul this year.