Castle Metal Finishing Corp., Specializing in Nickel Plating, Copper Plating, Degreasing, Passivating, Chromate, Chemical Film, Solder Plating, Vapor Degreasing and Tin Plating; Heat treating services including stress relieving & annealing copper & brass. Hydrogen embrittlement relief is also available. Additional services include chromating, phosphating passivating, bright dripping & chemical film coating metals. Compliant with RoHS, military & ASTM standards ...