TK- 9018 cnc stone engraving machine 1 Enhanced structure , Profiled steel welded 2 CE 3 24 hours technical support Features:1. Enhanced structure, Profiled steel welded, long working life.2. Dual motor on Y axis, large strength for hard work.3. High precision rack gear & Imported square linear guide rail4. Dust and water proof, well self-protection.Specification:Machine ModelTK-9018 cnc stone ...