Cambodia, alongside other ASEAN member states and China, collectively signed the China-ASEAN Free Trade Area 3.0 Upgrade Protocol during the summit in Kuala Lumpur in October 2025. The proactive backing reflected an assessment in Phnom Penh that the agreement's new chapters cover the frontier sectors, such as the digital and green economies, where the next stage of Cambodia's national development will be decided.
For years, China and ASEAN have been each other's largest trading partners, with bilateral trade reaching 4.34 trillion yuan ($645 billion) in the first half of 2026, an increase of 18.2 percent from a year earlier. The earlier versions of the free trade area laid the foundation of this relationship, largely through tariff liberalization in goods.
CAFTA 3.0 marks a significant shift.
Its five new areas — covering the digital economy, the green economy, supply chain connectivity, competition and consumer protection, and support for smaller enterprises — emphasize the quality and structure of economic ties over sheer volume. For Cambodia, this shift comes at the right time.
As the country prepares to graduate from the status of least developed country by 2029, it faces the challenge of competing on capability rather than relying on preferential access. The Cambodian government's Pentagonal Strategy emphasizes economic diversification, aiming to move beyond garments into agro-processing, electronics assembly, and higher-value manufacturing, while also developing the necessary digital and logistics infrastructure. CAFTA 3.0's new chapters align closely with this agenda, making the agreement a cornerstone of Cambodia's development strategy.
Two areas, in particular, hold significant promise.
First, the digital economy holds transformative potential. Cross-border e-commerce lowers the fixed costs that have historically kept small Cambodian producers out of export markets.
An agro-processor in Battambang or a handicraft enterprise in Siem Reap can now reach Chinese consumers through digital platforms, provided payment systems are interoperable and logistics costs remain reasonable.
Cambodian small enterprises need local development and regional expansion. The challenge lies in ensuring that the necessary infrastructure, from e-payment integration to streamlined customs clearance for small parcels, extends to all ASEAN members, allowing the benefits of digital trade to be shared across the region's different levels of development.
China's experience in building inclusive e-commerce ecosystems, including in its less developed provinces, offers valuable lessons for Cambodia, which is eager to learn from this expertise.
Second, supply chain connectivity presents further opportunities. Chinese investment has already integrated Cambodia into regional production networks, through special economic zones such as Sihanoukville and a growing manufacturing base.
The opportunity now is to deepen this involvement: more local sourcing, more intermediate production and more skills transfer so that Cambodian participation in these networks broadens over time.
The supply chain chapter provides the necessary framework, while initiatives announced alongside the signing, including the China-ASEAN Digital Academy and the new cooperation platform on artificial intelligence, provide practical channels for the capability-building this requires.
The 23rd China-ASEAN Expo in Nanning, Guangxi Zhuang autonomous region, in September was a pivotal moment for advancing this agenda. For smaller ASEAN members, the expo was a practical forum to address specific issues, from phytosanitary approvals for agricultural exports to payment system connectivity, directly with Chinese counterparts.
Cambodian products such as mangoes, longans and milled rice have gained access to the Chinese market through processes facilitated by gatherings such as the expo. Longan farmers expect wider market access following a protocol agreement on sanitary and phytosanitary measures between China and Cambodia.
Milled rice remains under a 500,000-tonne quota framework, which Cambodia has yet to fully utilize. With CAFTA 3.0 expected to come into force this year, the timing of the Nanning meeting is particularly significant.
There is a broader point worth noting. The value of CAFTA 3.0 to the region depends on its benefits reaching all members, including the smaller economies of the Mekong. An agreement that visibly benefits Cambodia, Laos and their neighbors strengthens ASEAN's coherence, making it a more effective partner for China.
Both sides recognize this, which is why support for SMEs and inclusive development are integral parts of the protocol, complete with implementation commitments. Turning those commitments into outcomes is the shared task for the coming years.
Cambodia is determined to be an active participant in this endeavor. By ratifying early, aligning national digital and logistics strategies with the agreement's provisions, and bringing specific proposals to Nanning, Cambodia is positioning itself to capitalize on CAFTA 3.0.
If by the end of this decade, Cambodia is exporting a wider range of products to China and participating more deeply in regional value chains, CAFTA 3.0 will have delivered on its promise, benefiting both Cambodia and the partnership as a whole.
The conditions for achieving this outcome are more favorable now than ever before.
The author is the director of the Institute for International Studies and Public Policy at the Royal University of Phnom Penh in Cambodia.
Editor：Zhou Jinmiao
