As the world leading expert in sliding electrical contacts, Helwig Carbon manufactures custom shoes and strips for use in electric locomotives, and overhead cranes. We can work with the OEM from the initial design stage to develop the best contact or collector shoe for their application. We can also reverse engineer existing designs but prefer a re-engineering approach by understanding the application and our customers needs. Our sliding contacts or collector shoes have been used in Steel Mill plating lines under severe, contaminated environments for decades. Innovative carbon grades and designs tailored for Applications is our strength. For new technologies such as Electric Vehicles and roof mounted collectors for electric buses, our grades have performed very well. Our industry leading experts are ready to analyze any application issues the end user is experiencing. Contact us to learn more!