 Chinese porcelain bowl was discovered which dated about late 11th century A.D. Chinese artifacts and other potteries dating 12th to 13th century were discovered to.The early inhabitants of the Kingdom of Maynila were engaged in trade relations with its Asian neighbors as well as with the Hindu empires of Java and Sumatra, as confirmed by archaeological findings.Trade ties between China became extensive by the 10th century, while contacts with Arab merchants reached its peak in the 12th century.