Kantoli was an ancient kingdom suspected to be located somewhere between Jambi and Palembang

Palembang

Palembang is the capital city of the South Sumatra province in Indonesia. Palembang is one of the oldest cities in Indonesia, and has a history of being a capital of a maritime empire. Located on the Musi River banks on the east coast of southern Sumatra island, it has an area of 400.61 square...

 in southern Sumatra

Sumatra

Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...

 around the 5th century of the common era

Common Era

Common Era ,abbreviated as CE, is an alternative designation for the calendar era originally introduced by Dionysius Exiguus in the 6th century, traditionally identified with Anno Domini .Dates before the year 1 CE are indicated by the usage of BCE, short for Before the Common Era Common Era...

. Chinese

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 records indicate that "Sanfotsi was formerly called Kantoli" and this as well as the location of the kingdom have led historians to consider Kantoli as the predecessor of Srivijaya

Srivijaya

Srivijaya was a powerful ancient thalassocratic Malay empire based on the island of Sumatra, modern day Indonesia, which influenced much of Southeast Asia. The earliest solid proof of its existence dates from the 7th century; a Chinese monk, I-Tsing, wrote that he visited Srivijaya in 671 for 6...

. Srivijaya was referred to as Sanfotsi by the Chinese.

During the reign of the Liu Song Dynasty

Liu Song Dynasty

The Liu Song Dynasty , also known as Song Dynasty , Former Song , or Southern Song , was first of the four Southern Dynasties in China, succeeding the Eastern Jin Dynasty and followed by the Southern Qi Dynasty....

, Kantoli sent several embassies to China. Trade between the two kingdoms were established and this granted Kantoli with great wealth through heavy dependency on volume from China. With the conquest of Song by the Sui Dynasty

Sui Dynasty

The Sui Dynasty was a powerful, but short-lived Imperial Chinese dynasty. Preceded by the Southern and Northern Dynasties, it ended nearly four centuries of division between rival regimes. It was followed by the Tang Dynasty....

, volume of trade dwindled due to the new ruler's austerity. The emperor banned all luxurious items in the courts which coincidentally were supplied by many, including Kantoli.