For African businesses trading with China, one of the least visible costs of doing business has often been the journey money takes before it reaches its destination.

A company in Africa may have revenue in its local currency, while its Chinese supplier may prefer payment in renminbi. Traditionally, such a transaction could involve converting the African currency into US dollars before converting the dollars into Chinese currency. Each additional step can introduce fees, delays, exchange-rate risk and dependence on intermediary banks.

A new banking arrangement involving African and Chinese financial institutions is creating a more direct channel for renminbi transactions across the continent. The development could gradually change how African companies pay Chinese suppliers, receive payments and manage currency risk.

The significance goes beyond the introduction of another banking service. It could reshape part of the financial infrastructure supporting Africa-China commerce.

The basic issue is straightforward: trade between Africa and China does not always need the dollar to stand between the two parties.

An African importer purchasing goods from China could potentially arrange payment through a bank capable of handling renminbi directly. Rather than moving through several currency conversions, the transaction can be structured around the currencies of the two trading partners. This does not make the dollar irrelevant. The US currency remains deeply embedded in international trade, investment and financial markets. However, it gives African businesses another option.

China's Cross-Border Interbank Payment System, commonly known as CIPS, is an important part of this emerging financial infrastructure. Greater African participation in the system allows banks on the continent to connect more directly with China's payment network.

The significance of this development lies in scale. China is Africa's largest trading partner, with commercial relationships spanning infrastructure, mining, manufacturing, agriculture, telecommunications, energy and consumer products.

As trade expands, reducing the financial friction surrounding those transactions becomes increasingly important.

China does not necessarily need its currency to replace the dollar to achieve that objective. Increased use in specific trade corridors can gradually create demand for renminbi accounts, financing, clearing, foreign-exchange services and investment products.

Africa provides an attractive environment for that expansion because of the depth of its commercial relationship with China. When an African company regularly purchases goods from Chinese manufacturers, using renminbi can become a practical business decision rather than a political statement. Over time, repeated transactions can encourage companies and banks to become more familiar with China's currency and financial system.

The process could create a reinforcing cycle: more trade generates greater demand for renminbi services, while better payment infrastructure makes renminbi-based trade easier. Direct renminbi settlement could reduce the number of intermediaries involved in some transactions and potentially lower foreign-exchange costs. It may also improve the speed and predictability of international payments.

This could be particularly important for small and medium-sized enterprises.

Large corporations generally have greater access to sophisticated foreign-exchange services and international banking relationships. Smaller businesses often have fewer choices and can be disproportionately affected by currency-conversion costs. A simpler payment route could therefore make Chinese suppliers more accessible to a broader range of African businesses.

There is also a strategic benefit. Greater access to multiple currencies gives African companies more flexibility in managing international trade. For decades, the dollar has occupied a central position in Africa's external commerce. Expanding the use of other major currencies can give businesses additional tools for managing exchange-rate exposure and negotiating international transactions.

The growing use of the renminbi should not, however, be presented as a simple replacement for the dollar. African companies will continue to need dollars for many international transactions. Commodity markets, international borrowing and investment remain heavily influenced by the US currency.

The sensible objective is therefore diversification rather than substitution. Africa   would benefit more from having several efficient international payment channels than from simply moving from dependence on one dominant currency to dependence on another.

The development also raises a broader question about Africa's place in the international financial system.

African policymakers can use the growing China relationship to expand financial choices while simultaneously developing local and regional payment systems. The goal should be an environment in which businesses can select the most efficient settlement currency for each transaction.

The expansion of renminbi clearing and China's cross-border payment network in Africa represents this kind of financial infrastructure. It will not eliminate the dollar from Africa-China trade, nor will every transaction between the two regions suddenly shift into renminbi.

For Africa, the greatest opportunity may therefore not be the rise of the renminbi itself. It is the possibility of building a more competitive financial environment in which African companies have more choices, lower transaction costs and more direct access to major international markets. That may appear to be a technical change in banking. In practice, it could become an important new highway for Africa-China trade.