Many apps have started to upload to the cloud disk. Which cloud disk is fast and safe?

Hello, Tianyi Cloud Disk is a cloud storage service product launched by China Telecom for individuals and home users. Positioning as "personal and family data center", it provides cloud storage services such as mobile phone photo album backup, multi-terminal file sharing, family photo album sharing and cloud video review for individuals and family users. With the exclusive transmission channel of China Telecom, the uploading and downloading of high-definition videos can be completed in a few seconds, with huge storage space, which can safely store millions of high-definition photos and tens of thousands of high-definition videos. The initial space for ordinary users of Tianyi Cloud Disk is 60G, and the recharge members can be expanded to 4T and 8T. Membership is divided into two levels: gold membership and platinum membership.