Port wire ropes (especially those used in container gantry cranes, quay cranes, and yard cranes) face multiple harsh conditions: high salt spray corrosion, high tension and repeated bending, wide temperature range variations, heavy-load impact, and environmental compliance. The core technology of port wire rope anti-rust lubricants lies in balancing five major requirements: strong penetration, long-lasting drip-free performance, resistance to heavy-load fatigue, resistance to extreme corrosion, and pollution-free operation. Selection should be based on a comprehensive assessment of factors such as the port's geographical location (high altitude/high humidity/high salt spray), equipment type (gantry crane/quay crane/yard crane), environmental requirements, and maintenance capabilities.