Nearly six thousand enterprises, including Kia Motors and SK Group
Along the eastern coast of China, where rivers meet commerce and ambition meets policy, Jiangsu Province and South Korea have once again drawn their economic futures closer together. A week of forums, cultural exchange, and formal negotiations in Nanjing and Yancheng culminated in twenty-seven signed agreements — a quiet but consequential act of mutual commitment between two neighbors who have long understood that prosperity, in this part of the world, is rarely built alone. With bilateral trade already at $86.33 billion in 2025, this friendship week is less a beginning than a deepening — a signal that both sides intend to remain essential to each other as the global economic order continues to shift.
- A hundred South Korean business leaders descended on Yancheng on May 20th, turning a friendship week into a serious negotiating table with twenty-seven cooperation deals signed across energy, technology, and industrial sectors.
- The urgency beneath the ceremony is real: both nations are racing to anchor strategic supply chains in new energy and next-generation IT before global competition reshapes who controls those industries.
- Yancheng's state-level South Korean cooperation zone — home to nearly 6,000 enterprises including Kia, SK Group, and Mobis — is not a diplomatic gesture but a functioning economic ecosystem with deep capital and employment roots.
- The deals signal that both governments are actively choosing to formalize and expand a relationship that already accounts for $86.33 billion in annual trade, reinforcing Jiangsu's position as China's top South Korean trading partner.
- The trajectory points toward sustained integration in the Yangtze River Delta, where institutional backing, regulatory alignment, and long-term planning are quietly turning bilateral goodwill into durable regional infrastructure.
The China-Jiangsu and South Korea Friendship Week closed this month across Nanjing and Yancheng, capping a week of economic forums, cultural programming, and business negotiations with a significant show of bilateral commitment. The centerpiece came on May 20th, when over a hundred South Korean business leaders gathered in Yancheng and signed twenty-seven cooperation agreements covering new energy development, next-generation information technology, and industrial ecosystem building.
The scale reflects how deeply these two economies have become entangled. Jiangsu is China's largest trading partner with South Korea, with bilateral trade reaching $86.33 billion in 2025. The province has long been the preferred destination for South Korean investment in China, and Yancheng sits at the core of that relationship — home to the Yangtze River Delta's only state-level cooperation zone dedicated to South Korean business, which has attracted nearly 6,000 enterprises, including Kia Motors, SK Group, and Mobis.
The twenty-seven projects touch sectors both nations have flagged as strategic: new energy systems, semiconductor and software infrastructure, and the integrated supplier networks that allow regions to compete globally. These are not symbolic gestures — they require sustained capital, skilled labor, and regulatory coordination on both sides.
What distinguishes this week is not that China and South Korea do business together, but that the relationship keeps formalizing and expanding. The timing carries weight too, as both nations look to strengthen regional supply chains amid shifting global trade patterns. For South Korean firms, Jiangsu offers market access and supply chain proximity; for Jiangsu, South Korean investment brings technology and capital. The arrangement endures because it is genuinely mutual — and both sides have built institutions to make sure it lasts.
The China-Jiangsu and South Korea Friendship Week wrapped up this month in two eastern Chinese cities—Nanjing and Yancheng—after a week of economic forums, cultural programs, and business negotiations. On May 20, more than a hundred South Korean business leaders gathered in Yancheng for the main economic summit, where they signed twenty-seven separate cooperation agreements spanning new energy development, next-generation information technology, and industrial ecosystem building.
The scale of the delegation and the breadth of the deals underscore how deeply woven these two economies have become. Jiangsu Province is China's single largest trading partner with South Korea, and the numbers bear that out: bilateral trade hit $86.33 billion in 2025 alone. The province has become the preferred destination for South Korean investment in China, a position it has held and strengthened over years of consistent business activity.
Yancheng, one of the two host cities, sits at the heart of this relationship. The city is home to the Yangtze River Delta's only state-level cooperation zone dedicated specifically to South Korean business, a designation that has drawn nearly six thousand enterprises to the region. Among them are household names—Kia Motors, SK Group, and Mobis—companies that have made long-term commitments to manufacturing and operations in the area. These are not small ventures or experimental outposts; they represent serious capital and employment.
The twenty-seven projects signed during the May 20 gathering touch on sectors that both nations have identified as strategic priorities. New energy technology—batteries, renewable systems, grid infrastructure—represents a shared bet on where manufacturing and innovation will concentrate over the next decade. Next-generation information technology covers everything from semiconductors to software platforms to data infrastructure. Industrial ecology refers to the integrated networks of suppliers, manufacturers, and logistics that allow a region to compete globally. All three areas require sustained investment, skilled labor, and regulatory alignment.
What makes this week notable is not that China and South Korea do business together—they have for decades—but that the relationship continues to deepen and formalize. A friendship week with this many participants, this many signed agreements, and this much media attention signals that both governments view the partnership as a priority worth showcasing. The timing also matters: these deals come as both nations navigate shifting global trade patterns and look to strengthen regional supply chains within Asia.
The Yangtze River Delta itself has become a proving ground for this kind of bilateral integration. The region already accounts for a significant share of China's GDP and attracts foreign investment from across the world. South Korea's presence there—concentrated, organized, and growing—suggests confidence in the region's stability and future growth. The state-level cooperation zone in Yancheng is not just a business park; it is a statement that this relationship has institutional backing and long-term planning behind it.
For South Korean companies, Jiangsu offers access to China's vast domestic market, lower labor costs than home, and proximity to other Asian supply chains. For Jiangsu, South Korean investment brings technology transfer, management expertise, and capital that helps the province compete with other Chinese regions for foreign business. The arrangement works because both sides benefit, and both sides have structured it to last.
Notable Quotes
Jiangsu is China's largest province in terms of trade with the ROK and the top destination for ROK investment in China— Event organizers/official statement
The Hearth Conversation Another angle on the story
Why does a friendship week between a Chinese province and a country warrant this much formal attention? Isn't trade just trade?
Because trade at this scale requires trust and coordination that goes beyond contracts. When you have a hundred business leaders in a room signing twenty-seven deals at once, you're seeing the result of years of relationship-building between government officials, chambers of commerce, and company executives. The "friendship week" is the public face of that work.
So the deals themselves—new energy, semiconductors, industrial systems—these aren't surprising?
Not surprising in what sectors, no. Both China and South Korea have identified these as growth areas. What's notable is the concentration and speed. Twenty-seven projects in one week suggests a pipeline that's been prepared for months, maybe longer. These aren't improvised.
The Yangtze River Delta cooperation zone has six thousand enterprises. Is that a lot?
For a single regional zone dedicated to one country's businesses, yes. It means South Korea has built a genuine ecosystem there, not just a few scattered factories. When Kia Motors and SK Group are both operating in the same region, they create demand for suppliers, logistics, skilled workers. It becomes self-reinforcing.
And the $86 billion in trade—is that growing or stable?
The article doesn't say whether it grew from 2024 to 2025, but the fact that they're announcing it and signing new deals suggests confidence that it will keep growing. If trade were declining, you wouldn't see this level of investment in new projects.
What happens next? Do these deals just execute themselves?
No. Each one requires regulatory approval, financing, site preparation, hiring. Some will move quickly; others will take years. The real test is whether the companies follow through and whether the local governments remove obstacles. The friendship week is the beginning, not the end.