Wincomn has delivered a set of professional customized Powerwall virtual reality system for Bombardier Sifang (Qingdao) Transportation Ltd.（BST）.The system provides a highly immersive VR working environment to realize the visualization of design scheme. Through the functions of collaborative design, virtual training, verification and review, it can save manpower, material resources, time and capital costs, and optimize the design and manufacturing process of railway passenger cars.