THE CHALLENGE Pelco Tool and Mold came to Bales with a challenge. The custom plastic injection mold manufacturer was building a tool for a new customer, one that needed its highly visible parts — tumbler cups for the food and beverage industry — to have a very precise finish. Fortunately, polishing steel molds to assure the finest finishes on visible parts is a Bales specialty. We’ve been providing diamond polishing since our founding in 197

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