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. Visit us at www.blacknitride.com and www.rubbercityarmory.com. #blacknitridetheworld. New Facilities in AZ and FL (less)