Moreover, Manila has failed to honor the regional order. The UNCLOS says the disputing countries should resolve the issue of overlapping economic zone boundaries through agreements on the basis of international law in order to achieve an equitable outcome. In case the disputing countries fail to reach an agreement, they should try to work out a provisional arrangement and, during the transition stage, both sides should avoid taking unilateral actions that could hinder the possibility of a final agreement.

The Nansha Islands are within 400 nautical miles of all the countries locked in the South China Sea disputes. Since China has sovereignty over the islands, its duly exclusive economic zone overlaps with those of the other disputing countries. So it's important that Manila faces up to a sea boundary delimitation dispute with Beijing.

To maintain regional stability and to resolve the disputes in the South China Sea through peaceful means, China and ASEAN signed the Declaration on the Conduct of Parties in the South China Sea in 2002. Beijing's proposal of "shelving the disputes and conducting joint exploration" got positive response from the disputing countries and praise from the international community. This could be regarded as a provisional arrangement for the ultimate resolution of the disputes.

But using its advantageous geographical position and assuming that the disputed areas are part of its territory, the Philippines has been seizing Chinese fishing vessels and detaining Chinese fishermen. Such provocative actions by the Philippines are worsening the already tense atmosphere in the region.

It should thus be clear to the international community that Manila, not Beijing, has violated the DOC and the UNCLOS, as well as further damaged the fragile Sino-Philippine relations. And justice chooses those who choose to side with it.

The author is assistant professor of Hainan Provincial Party School.