Technology Implementing Zero-Waste: Rock Tech Lithium, GP Papenburg and Schwenk Zement Collaborate for Closer… AIT News Desk Jan 30, 2023 Rock Tech Lithium GP Papenburg Entsorgungs Ost GmbH ("Papenburg" or "GP Papenburg") and Schwenk Zement GmbH & Co.KG have signed a Memorandum of…