ZDDR‑400 Automatic Stone Core‑Drilling Machine

Other Videos
July 31, 2026
Video Description:
Join us for a close-up look at the ZDDR-400 Automatic Stone Core-Drilling Machine in action. In this video, we demonstrate how this bridge-structure drilling equipment operates, showcasing its precision drilling capabilities for granite and marble processing. You'll see the machine's double-screw transmission system and variable-speed motor at work, plus learn about its applications in tombstone manufacturing and stone column production.
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