This material is dedicated to the contribution of the National Center for Complex Processing of Mineral Raw Materials of the Republic of Kazakhstan (NCCPMR RK) to the sustainable development of the country’s mining and metallurgical complex. It presents the main directions of the Center’s scientific and technical activities – from mining and mineral processing to metallurgy, design, and ecology. The results of implementing innovative technologies at enterprises in Kazakhstan and abroad are discussed, along with examples of industrial facilities and unique domestic developments such as the “Kazakhstansky” alloy and the technology for producing special coke from thermal coal. The paper emphasizes the role of science and engineering solutions in shaping a resource-efficient and environmentally responsible economy.