SINKING SPRING, Pa.–(BUSINESS WIRE)–Hofmann Industries Inc announced Monday that it has completed a major investment in its Sinking Spring, PA based Zinc Plating Facility. This investment includes new control & conveyor systems, new surface preparation tanks, and improved chemical monitoring and feed systems to support the RoHS and CONEG compliant plating line. Originally conceived and installed to provide a protective and decorative brite zinc plated finish for Hofmann’s mechanical welde