The workers are stuck but safe at the Upper Tamakoshi hydropower project in Lamabagar Area in Dolakha district, where reports suggest that more than 90 per cent of houses in rural areas have been destroyed.
The quake, Nepal's worst in over eight decades, has claimed the lives of more than 7,000 people, while the number of those injured has reached 14,227.
The stranded workers are from China's Sinohydro Corporation Limited, the contractor of civil construction work for the Upper Tamakoshi Hydropower Company Limited in charge of the project, Nepal officials said.
China has been evacuating more than 8,000 of its tourists and workers from Nepal by civilian airlines since the quake struck the Himalayan country on April 25.
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Meanwhile, Peng Wei, economic councilor of the Chinese Embassy in Nepal, told the news agency that more than 100 Chinese workers are trapped at the construction site and they are all safe.
Secretary of the Nepal Government Gajendra Thakur, who is involved with the rescue and relief operations in Dolakha district, said efforts are underway to airlift the Chinese workers to Kathmandu.