free naming the kelutong international engineering supply chain service platform is based on digitalization and is characterized by visualization. it provides online supply chain smart collaborative services to all participants in international projects. it is the first in china to realize the full visualization of international supply chain services. the platform has significantly improved the overall cost saving of supply chains, collaborative efficiency, data transparency, material supply timeliness, cross-border risk control, etc., which will help my country's international engineering supply chain industry to develop at a high quality. 2 software, design books, 50 and