Premier’s Graphene Suspensions Receiving Interest from one of the World’s Largest Materials Handling Companies EL CENTRO, California, August 8, 2024 – Premier Graphene, Inc. (OTC PINK: BIEI) announced today that one of the world’s largest materials handling company invited Premier Graphene to permit them to test and separately confirm HGI's proprietary hemp-based graphene formulation in concrete with respect to which it has a distribution license in the United States.  Impressed with the...