The stability and reliability requirements for equipment in port operations are extremely strict. Products such as the NVIDIA GD5000 series high-voltage frequency converter and the GD880, GD350-19-PT series low-voltage frequency converters have many outstanding features, which can fully meet the complex and changing operational needs of ports, ensuring that equipment can still operate stably in long-term, high-intensity and harsh operating environments, providing a solid guarantee for the continuity of port operations.