During the Qin and Han Dynasties, Guangzhou was an overseas trade center and a distribution center for imported products such as rhinoceros horn, ivory, jade, pearls and fruit cloth. In Malay, Borneolum Syntheticum is called "Guo Bu Po Lv". During the reign of Emperor Wu of the Han Dynasty, Huangmen Translator was sent to lead a delegation to India, Huang Zhiguo and Sri Lanka for trade activities with silk and gold.