recycling (screening, drying, refining)

Green Diamond Performance Materials is a provider of silica-free blasting abrasives, roofing granules, foundry sand, and specialty aggregates. Its materials are sourced from a 10-million-ton magnesium orthosilicate reserve in Riddle, Oregon, offering a single-source supply. The company states it has led the industry for over 60 years and serves industries including surface preparation, shipbuilding and marine, automotive, roofing, and metal casting.

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