|Follow us on:|
It is seen as part of a routine program of mapping its territorial islands and reefs.
The Diaoyu islands have been at the centre of a bitter contest between China and Japan.
Chinese vessels and planes have patrolled the territorial waters off the Diaoyu Islands during the last four months.
According to the newly released document, the first stage of the island surveying and mapping was launched in 2009 – which has finished the monitoring of islands located within 100 km of the coastline.
The second stage will cover islands including the Diaoyu Islands, the document said.
It added that this program is part of China’s efforts to safeguard its maritime rights and interests.
As of the end of 2012, China has completed the identifying and precise positioning of about 6,400 islands and more than 4,900 island maps of three different scales.