American Metal Processing Co. (AMP) is one of the United States' largest commercial rotary heat treat facilities. Since 1945, the firm has been providing quality service in the heat treatment of parts for the automotive, construction, and agricultural industries as well as aircraft and military applications. Based in Warren, Mich., American Metal Processing Co. is a Tier I supplier to the automotive industry and has attained QS/ISO 9000 certifications. The firm offers different types heat-treating processes, which include carbonitriding, carburizing as well as neutral hardening for oil quench.
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