Kalyanpur Cements is a public limited company that has been manufacturing cement since 1946. With its registered office in West Bengal and plant in Bihar, the company has expanded its capacity over the years to reach 4.8 lac tons per annum. Kalyanpur Cements uses wet process technology to manufacture cement, which it markets under different brand names in the northern and eastern parts of India. This enables its customers to use quality cement in their construction projects.