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Since 1953, NYCO has been the leading and original producer of wollastonite. Capitalizing on its mining, processing and marketing expertise, NYCO launched its second operation in Sonara, Mexico in 1997 which remains the world's largest wollastonite mine and processing facility. Today, NYCO continues to lead the wollastonite industry with its state-of-the-art processing, outstanding technical support and customer service as well as a knowledgeable worldwide distribution network.