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The Iron Ore Company of Canada (IOC), a member of the Rio Tinto Group, is a very well established supplier in the market for pellets and concentrate. In a continuous effort to improve quality, the focus has been more and more on the production of acid pellets with very consistent quality. Sizing is in this respect an important feature, and a double deck roller screen has recently been installed in front of one of the induration machines in an effort to deliver improvements in productivity and fines elimination. This not only improves yield, but also contributes to better blast furnace burden permeability. A relatively higher strength and improved reducibility is also attained by strictly controlling the size distribution. Following the trend to lower blast furnace slag volumes, the low silica acid pellet with only 2% silica is attracting more attention. Its production is enabled through improvements in the flotation circuit and eliminating operational bottle necks, such as in the cake filtering process. Furthermore, IOC's first phase mine expansion will deliver 4 Mtpa more concentrate with a consistent quality. In the sintering process, the balance has to be found for this concentrate between its extremely low phosphorous level and its sintering properties. Sizing and magnetite oxidation are seen as key elements in influencing its sintering properties. Through a long term improvement project, concentrate and pellet quality is continuously assessed through close cooperation with customers.