Does suyu district Mobile, Suqian City, Jiangsu Province support one-card dual-end service?

Suyu district Mobile, Suqian City, Jiangsu Province supports one card dual-end service. One card has two ends, that is, users can use the same mobile phone card to bind the mobile phone with wearable devices, and make outgoing calls, answer calls, send and receive short messages, etc. All the main telephone numbers are displayed, which reduces the trouble of one terminal with one card number.