CSG and Reunert forge EU fuze JV to plug Europe's ammo supply gap

Czech industrial-technology group CSG and South African electronics conglomerate Reunert have agreed to establish Fuchs Electronics Europe, a joint venture that will manufacture electronic fuzes for large-calibre artillery ammunition at the ZVS Dubnica nad Váhom facility in Slovakia. Reunert will hold a 51% stake, with CSG taking the remaining 49%. The move makes CSG one of only a handful of companies within the European Union capable of producing this class of precision ordnance component — a gap that European governments have been acutely aware of since Russia's full-scale invasion of Ukraine exposed the continent's munitions supply chain as critically shallow.

Electronic fuzes are far more than a commodity subcomponent. In a modern 155 mm artillery shell — the calibre that has defined attritional warfare in Ukraine — the fuze governs whether the round detonates on impact, after a set delay, on a timer, or as an airburst at a precisely calculated altitude above a target. That flexibility depends on sophisticated embedded electronics that must survive extreme g-forces and remain reliable across varied environmental conditions. Production is characterised by high added value and long qualification cycles aligned with NATO standards, making new entrants rare.

Filling a structural gap in the European defence-industrial base

The technology partner in the venture is Fuchs Electronics, a Johannesburg-based subsidiary of Reunert that claims more than 60 years of fuze-development heritage. The arrangement is a classic technology-for-market-access exchange: Fuchs contributes core intellectual property and engineering depth, while CSG brings regulatory and export-licensing expertise, existing manufacturing infrastructure, and proximity to European NATO customers already purchasing large-calibre ammunition from its broader portfolio. Jan Marinov, CEO of CSG Defence, said the combination of "Fuchs' world class technology with our manufacturing and distribution capability will increase CSG's competitiveness and reinforce our role as a reliable partner to European customers."

Production will be co-located with CSG's existing ammunition operations at Dubnica nad Váhom, a deliberate capital-efficiency play that avoids the greenfield construction timelines that have slowed rival defence-industrial expansions elsewhere in Central Europe. The partners say the business is supported by a binding launch order covering the first three-year ramp-up period, with an expectation of self-sufficiency and "attractive margins" by year three — language calibrated to reassure Reunert shareholders in Johannesburg, where the group is listed on the JSE.

Cross-sector and capital read-across

The strategic significance extends well beyond a bilateral industrial deal. European governments are under sustained pressure from NATO to reach 2% of GDP in defence spending, and several have moved beyond procurement pledges to active industrial policy — underwriting new manufacturing capacity across ammunition, air defence, and autonomous systems. Slovakia itself has positioned as a logistics and manufacturing hub for the eastern flank, partly on the strength of existing defence-industrial infrastructure inherited from the Cold War era.

For investors tracking the defence-technology convergence, this deal illustrates a structural theme: the shortage of advanced components — electronic fuzes, propellants, energetic materials — is now the binding constraint on European re-armament, not platform procurement. Capital is consequently flowing into ammunition and precision-components businesses that would have been considered niche a decade ago. The fact that Reunert, a South African group, is the technology licensor also underscores how European NATO members are drawing on non-traditional partner nations to close capability gaps quickly, a dynamic with implications for broader defence-industrial supply chains across the Indo-Pacific and the Global South.

Fuchs Electronics Europe is also positioned to supply other European large-calibre ammunition producers beyond CSG itself, giving it potential revenue diversification as European governments seek to dual- and triple-source critical munitions components to reduce single-point-of-failure risks — a lesson drawn directly from the early-war scramble for 155 mm shells.