Beijing: China has unearthed evidences pointing towards an unknown kingdom of Xizhou dynasty dating back to 1046 to 771 B.C. from newly found tombs in the country's northern Shanxi province.

Epigraph on bronze wares from the tombs indicated the region was reigned by Ba Bo, or Count of Ba Kingdom, archaeologists who excavated the Dahekou Tomb in Shanxi's Linfen City said.

But Ba Kingdom had never been seen in any historical record before, according to reports.

"The tombs gave us a chance to see the Ba Kingdom that had been forgotten by history. It also sheds light on Xizhou dynasty's feudal system, technology and use of hardware as well as exchanges and integration of different ethnic groups of that time," said Wang Wei, head of the Institute of Archaeology, Chinese Academy of Sciences.

"Records of the kingdom might have been lost in the long history. It is also possible that Ba was among a cluster of small kingdoms and was neglected by ancient historians," said Xie Yaoting, deputy head of Shanxi Institute of Archaeology.

Also a cultural heritage site from over 4,800 years ago is being restored in Qin'an County of northwest China's Gansu Province.

Dadiwan heritage site, one of the cradles of the Chinese culture,was originated from the Neolithic Age.

It has some earliest traces of China's agriculture, pottery,painting and writing.

The site also has the country's first palace-like building,the news agency report said.

“A large part of the site will be restored.The road that leads to the palace-like building will be consolidated. And some protection facilities will be installed during the ‘largest and most comprehensive restoration’, which will be completed in September,” said Cheng Xiaozhong, head of Dadiwan Heritage Site Preservation Office.

In another development, an archaeological salvage team has started to retrieve cultural relics from the wreckage of an ancient merchant ship that sank near the coast of Guangdong Province, some hundreds of years ago.

The team plans to complete the salvage of all the relics from "Nan'ao-1" in 75 days.

A large number of porcelain dish wares with exquisite graphic paintings have been found in previous archaeological surveys conducted in the shipwreck.