Recently, a batch of customized transformers tailored for Africa’s complex environments has been progressively shipped to South Africa, providing core support for local grid renovation, industrial power supply, and new energy projects—showcasing Rockwill’s technical strength and overseas adaptability.These 15 kV oil-immersed transformers feature corrosion-resistant coated tanks and high-temperature insulating oil for stable operation from -5°C to 55°C. High-permeability