Long haul helper

Canal breaks geographic constraints to enhance connectivity among China, ASEAN and beyond

On Sept 16, the century-old vision of the Pinglu Canal became reality. As the first river-sea canal built under direct national planning since the founding of the People's Republic of China in 1949, this 134.2-kilometer waterway — capable of accommodating 5,000-ton vessels — is now the highest-grade inland navigation channel in the country and one of the world's highest-grade river-sea connecting canals.

Guangxi Zhuang autonomous region, the country's only provincial-level region that links China to the Association of Southeast Asian Nations market by both land and sea while straddling a major river, had long been constrained by the fact that bulk cargo from the southwestern hinterland had to either travel eastward through the Pearl River system to reach Guangzhou before heading out to sea or rely on costly overland transport. The Pinglu Canal breaks this geographical bottleneck, shortening the water route to the ocean by approximately 560 kilometers compared with the traditional Guangzhou route. Strategically, the canal extends China's coastal advantage deep into the central and western interior, transforming the southwestern region from a rear base in global supply chains into a frontier hub facing ASEAN directly.

This breakthrough is reshaping the paradigm of economic connectivity between China and ASEAN. For the first time, seamless river-sea direct transport replaces the old fragmented model where maritime shipping stopped at the coastline and inland regions relied solely on overland transshipment. The canal not only resets the cost and efficiency benchmarks for regional bulk trade, but also opens the door for ASEAN countries to reach deep into China's vast inland market.

China's dual circulation paradigm, formally introduced in 2020, is not about inward-looking closure. Rather, it seeks to leverage the country's massive consumer market and comprehensive industrial system to enhance resource allocation through international circulation. ASEAN has become a pivotal external pillar of this strategy. The Pinglu Canal provides ASEAN with a two-way economic artery. Compared with traditional routes via Guangzhou, the canal reduces the shipping distance by more than 560 km and lowers logistics costs by 18 to 30 percent. The benefits flow in both directions.

On the one hand, drastically lower logistics costs enable more efficient matching of regional resources with consumer markets. Time-sensitive products such as Thai durians, Vietnamese coffee and frozen seafood can now reach China's vast central and western consumer markets with logistics costs reduced by nearly one-third. ASEAN minerals and marine products can also be transported more affordably to Guangxi and Southwest China for deep processing.

On the other hand, the canal is catalyzing a structural upgrade in trade categories, heralding deeper high-end manufacturing collaboration. Export-oriented products from the western part of China — new energy vehicles, power batteries, lithium-ion cells, photovoltaic equipment and machinery — can now achieve direct river-sea transport, significantly shortening delivery times to ASEAN markets and reducing transshipment losses. This model pushes bilateral ties beyond simple commodity exchange toward more integrated intermediate goods trade and industrial chain nesting.

New investment opportunities in supply chain infrastructure and port-side industries are also emerging. Foreign capital sensitive to transport costs is clustering storage, cold-chain and processing facilities along the canal's ports and the Beibu Gulf Economic Zone. China's southwest is moving beyond being an export market for ASEAN agricultural products to being a super-hub platform for deep industry chain integration between China and the ASEAN countries.

For ASEAN economies, the Pinglu Canal's advantage lies in opening the door for them to connect with the broader Asian trade network. Together with the China-Laos Railway, the New Western Land-Sea Corridor and the China-Europe Railway Express, the canal weaves a composite land-water network offering regional countries multiple logistics options. China has not only opened its own market to ASEAN, but also serves as a super-hub connecting ASEAN to Central Asia and Europe.

Laos, a Shanghai Cooperation Organization dialogue partner, best illustrates the network's spillover effects. The canal opens a northbound route to Central Asia for Laos and completes efficient southbound access to global shipping, turning the land-linked country into a dynamic hub between ASEAN and the SCO countries. For years, cost-effective high-volume logistics between SCO countries and ASEAN remained limited, with freight routed through longer chains via eastern Chinese ports or extra-regional hubs. The Pinglu Canal now gives this Eurasian land network a short, low-cost sea outlet. Central Asian and northwest Chinese energy and bulk goods can reach Guangxi by rail and exit via the canal, while ASEAN maritime cargo can move upstream and penetrate the Eurasian market through rail-water intermodal links.

The Pinglu Canal reflects a strategic consensus spreading across Global South countries. Similar land-sea connectivity projects across Southeast Asia reflect a broader Global South push for route diversification. These moves are no coincidence. They point to a profound common aspiration: Amid growing uncertainty in global trade, regional countries are seeking ways to break free from over-reliance on single traditional maritime chokepoints or vulnerable transit corridors. They are using diversified land-sea connectivity projects to reshape their economic geography and take control of their own supply chains and trade routes.

The Pinglu Canal is not merely an upgrade of China's southwestern corridor, but also serves as a compelling example of the infrastructure awakening sweeping the Global South. While motivations may differ, the path is strikingly consistent. Global South countries need not passively accept geographic constraints or the fragility of single corridors. Through pragmatic infrastructure investment, developing nations can overcome physical barriers between rivers and seas and build more resilient, diversified logistics networks.

With the canal's first transit vessel having sounded its horn, such connectivity — beginning in Guangxi where the river meets the sea — is now unfolding across the wider Eurasian continent and the Pacific hinterland.

The author is the vice-dean of the China-ASEAN Research Institute at Guangxi University.

The author contributed this article to China Watch, a think tank powered by China Daily. The views do not necessarily reflect those of China Daily.

Contact the editor at editor@chinawatch.cn.