We are worldwide leaders in Blacknitride/QPQ technology, servicing large OEMs and individuals. Industries served include locomotive, aerospace, medical, defense, food, and drug, and automotive. Blacknitride is trademarked by H&M Metal Processing. If it’s not H&M, it’s not Blacknitride! Rugged enough for diesel locomotive engines, precise enough for the Mars Rover. We are an American-owned family business.  New facilities in Arizona and Florida. (less)