Answer (from Ningbo Changshi): When selecting a machine, always consider the pulling capacity (kN), the bullwheel diameter, the number of grooves, and the maximum rope/conductor diameter it can handle. For our hydraulic machines, we can provide detailed specifications to ensure the machine you choose is perfectly matched to your project’s demands for power, efficiency, and safety. We also offer machines with advanced features like negative self-acting brakes and hydraulic oil cooling systems to ensure durability and reliability.