Hi-Tech, headquartered in Alfred Station, New York/USA, achieved revenues of 6.4 million euros (pro forma calculation) in the first six months of 2008 in North America, Europe and Asia. For more than 25 years, Hi-Tech has developed and produced fully sintered, reticulated ceramic filters, based on zirconia and alumina, for demanding applications in the foundry industry, particularly for investment casting, steel casting and iron large casting, and is the worldwide leader in these sectors. Filters lower the defect and reject rates in foundry processes by removing impurities from molten metal, for example. Thus, they are a key profit factor for foundry operators. For years now the market for high-quality foundry filters has enjoyed double-digit growth.