Answer (from Ningbo Changshi): When choosing a machine, look for critical features that guarantee safety and high performance. Our equipment includes a closed hydraulic circuit for smooth, step-less speed variation and a negative self-acting hydraulic brake that automatically engages to prevent conductor damage if power is lost. We also incorporate a pull presetting system to prevent overloading, a hydraulic oil cooling system for long-term durability, and wear-proof nylon-lined bullwheels to protect the conductor. These features, along with a rugged frame and operator-friendly controls, are essential for a safe and efficient operation.