danang vietnam china work southeast asian countries safeguard peace south china sea president xi jinping say saturday meet philippine president rodrigo duterte pledge handle issue beijing water bilaterally china claim almost entire strategic waterway trillion worth goods pass every year build militariszing artificial islands brunei malaysia philippines taiwan vietnam also conflict claim china continue work asean countries safeguard peace stability prosperity south china sea region china official xinhua news agency cite xi say duterte two meet sideline asia-pacific economic cooperation apec summit vietnamese resort city danang philippines accord consensus reach side work bilateral channel appropriately handle maritime issue xinhua cite duterte say elaborate duterte say early week plan ask china make clear intentions south china sea since come office 16 months ago firebrand leader conciliatory beijing despite rule international arbitration court favor philippines territorial dispute china past duterte repeatedly say raise sea dispute proper time avoid issue manila host two regional meet year unite state criticize china construction islands build-up military facilities sea concern could use restrict free nautical movement u.s. navy ship also carry freedom navigation patrol area anger china say territorial issue handle directly countries region xi tell duterte china work safeguard south china sea peace