CStack was spun off from Sihua Technologies Inc. in July 2018 and focus on cloud based VDI solution by leveraging the cutting-edge technologies including virtualization, GPU and container. We offer two type of product deployments: on premise and DaaS (a.k.a Desktop as a Service) in China market. Without compromising user experiences, CStack VDI delivers the high-definition desktop to end user through the invented protocol CSDP (CStack Desktop Protocol).