The Karnaphuli Tunnel carves a path beneath the mighty Karnaphuli River, marking a historic achievement for Chittagong. Seven Rings Cement played a pivotal role in the construction of this engineering marvel, providing high-quality cement that ensures the strength and durability of this vital infrastructure. The tunnel revolutionizes transportation in the city, enabling smoother connections and fostering economic growth.
This 3.32-kilometer underwater expressway is equipped with cutting-edge technology to ensure a safe and efficient journey. Passengers travel through twin tubes, each with two lanes, ensuring a seamless flow of traffic
