Mindoro is the seventh-largest island in the Philippines. It is located southwest of Luzon, and east    of Palawan. In past times, it has been called Ma-i or Mait by ancient Chinese traders and, by Spaniards, as Mina de Oro (meaning "gold mine") from where the island got its current name. The island was divided into its two present-day provinces, Occidental Mindoro and Oriental Mindoro, in 1950. Before then, since 1921, the entire island was one province.

     According to the late historian William Henry Scott in his book Prehispanic Source Materials For The Study of Philippine History (rev. ed., 1984), an entry in the official history of the Sung Dynasty for the year 972 mentions Ma-i as a trading partner of China. Other Chinese records referring to Ma-i or Mindoro appear in the years that follow.

     Prehispanic Source Materials enumerates the products that Mindoro traders exchanged with the Chinese as "beeswax, cotton, true pearls, tortoise shell, medicinal betelnuts and yu-ta [jute?] cloth" for Chinese porcelain, trade gold, iron pots, lead, colored glass beads and iron needles.

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