
Our History In 2007, Zhuzhou ZZ Import and Export Co., Ltd. (ZZ HARDMETAL) was founded, focusing on the export of tungsten carbide products. In 2011, we established our Brazilian branch (ZZ COMé Rcio Importaç ã O e Exportaç ã O Ltda. ), aiming to provide faster and better service to our Brazilian customers. In 2014, Zhuzhou Old Craftsman Precision Alloy Co., Ltd. Was established, specializing in tungsten carbide production, precision machining, and brazing. With ...