Shipwrecks reveal 2,000 years of maritime trade routes. Cargo analysis shows ceramics traveled from kilns hundreds of kilometers inland to ports.
The Maritime Silk Road's Sunken Ledger
The floor of the Beibu Gulf holds a silent record of global commerce. For over two millennia, this body of water north of the South China Sea was a segment of the Maritime Silk Road. Archaeological surveys have uncovered evidence of this long history, with tens of thousands of tombs from the Han Dynasty (206 BC–220 AD) scattered across the nearby Hepu region. These tombs, along with numerous shipwrecks, confirm that the ancient port of Hepu was one of the earliest departure points on China's maritime trade routes.
The trade network originating here during the Han Dynasty stretched for thousands of miles, connecting China to India, Persia, and even the Roman Empire. Silk was a primary export, the durable ceramics produced in China were also highly sought-after goods. Recent archaeological surveys along the Beibu Gulf coast have identified more than 80 sites, revealing artifacts from the Neolithic period to modern times. The discoveries from shipwrecks and coastal ruins provide direct evidence of the materials and methods of this ancient sea trade.
Finds in the region are not limited to Chinese goods. Tombs in Hepu have yielded objects from Southeast Asia, South Asia, and the Middle East. One artifact is a ceramic pot with a turquoise glaze, whose chemical composition and shape are unlike local Han-dynasty pottery but strongly resemble ceramics from the Parthian Empire in Persia. Other foreign goods include beads made of garnet and carnelian from India and Sri Lanka, and glass beads whose composition suggests origins as far away as the Mediterranean.
From Kiln to Ocean Floor
The path of a single ceramic pot from its creation to its final destination was a complex logistical operation. Many of the ceramics exported via the Maritime Silk Road, such as the famous blue-and-white porcelain, began their transport at inland kilns like those in Jingdezhen. From there, they were transported over rivers and canals to bustling port cities like Hepu. This overland portion of the trip could cover hundreds of kilometers before the goods were even loaded onto a seagoing vessel.
The cargo itself shows the technological and cultural exchange. Chinese porcelain was a prized luxury good across Asia and the Middle East for centuries. It was valued for its beauty but also was practical on ships as ballast, weighing down vessels that were transporting lighter goods like silk and tea. The famous blue color of some porcelain came from cobalt imported from Persia by Arab merchants, who then transported the finished Chinese products back to their home markets.
Underwater excavations in the South China Sea show the scale of this trade. One recently discovered Ming Dynasty (1368-1644) shipwreck is estimated to hold over 100,000 individual ceramic pieces. The items found in the Beibu Gulf—from utilitarian pottery to exquisite porcelain—shows the evolution of both Chinese manufacturing and global demand over hundreds of years.
💡Fun Facts
The ancient port of Hepu is associated with one of the largest Han Dynasty tomb groups ever found in China's coastal regions, with tens of thousands of tombs.
Some of the blue-and-white porcelain exported from China was colored with cobalt imported from Persia.
A single Ming Dynasty shipwreck found in the South China Sea may contain more than 100,000 ceramic artifacts.
In addition to ceramics, foreign goods found in Han-dynasty tombs near the gulf include glass beads from the Mediterranean and carnelian from India.
The underwater archaeological sites are not accessible to the public. However, artifacts from the region can be viewed at the Guangxi Museum in Nanning, typically open 09:00-17:00 (closed on Mondays).
Admission
Free (visitor numbers may be limited daily).
Accessibility
The Guangxi Museum is a modern, multi-story building that is generally accessible.