The tip of vibrator, which forged by high-quality 40 Cr-alloy steel with Salt bath furnace quench technology, mostly improving the mechanical capacity up to hardness
2. Leaving: Use 45 carbon steel, handled by high-frequency quenching and the hardness is up
3. Rolling element: handled by high-frequency quench with high grade 40 Cr-alloy steel
4. Flexible pipe: Use high-quality native rubber and 65# Mn alloy spring steel and the thickness around 1.8MM.
Table Needle 35mm Needle with 6 meter. Long flexible Shaft