Maweni Limestone Ltd, operating under the highly recognizable "Rhino Cement" brand, is a prominent cement manufacturing company situated in the coastal city of Tanga. As a subsidiary of the ARM Cement group, the massive industrial complex was strategically built to exploit the phenomenally rich, high-quality limestone deposits found in the Tanga region, supplying critical materials to East Africa’s construction boom. Rhino Cement produces premium grades of Portland and Pozzolanic cement designed to withstand the rigorous demands of massive infrastructural projects. Their cement is heavily utilized across Tanzania for the construction of commercial skyscrapers, deep-water port berths, and expansive highway networks, recognized by engineers for its rapid setting time and unparalleled structural durability. Beyond manufacturing, Maweni Limestone Ltd is deeply integrated into the local economy of Tanga. The company provides thousands of direct and indirect jobs spanning the limestone mining, industrial milling, and logistics sectors. They adhere strictly to environmental regulations by implementing advanced dust-filtration technologies in their kilns and continuously rehabilitating their mining quarries.