It is a system. Laigang Yongfeng Steel Card Project is the largest construction steel production base in Shandong Province, one of the top 100 enterprises in Shandong Province and one of the top 100 manufacturing enterprises in Shandong Province. It has advanced equipment, introduced advanced iron and steel smelting and deep processing production lines from German, Italian, Austrian and Japanese, formed a high-quality circular economy industrial chain, and built a "four-in-one" comprehensive enterprise group around the two pillar industries of steel and real estate in four dimensions of steel, real estate, industrial parks and capital operation. Shandong Laigang Yongfeng Iron and Steel Co., Ltd. aims to simplify the process, implement source control, supervise the whole process, create a fair and just logistics environment, and provide customers with high-quality and fast service. By means of information technology, a vehicle card system is established, which organically combines logistics scheduling, vehicle queuing management, weighbridge unattended, loading and unloading management and financial system.