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1. The piston rod is made of high-quality imported materials with low friction, which can basically be understood as frictionless; |
2. Special sealing material, will not leak oil after long-term use; |
3. High-quality filled oil, strong stability, and continuous and stable braking; |
4. Use permanent lubricating oil, no need to add lubricant for long-term use; |
5. The operating oil in the tube can maintain a stable viscosity within the working temperature range, and the oil discharge from the inner tube is stable. |