Can Tencent King Card be used nationwide?

Unicom Tencent King Card is universal in China. Dawang Card 19 yuan/month, including: Tencent's exclusive traffic is free nationwide, answering calls is free nationwide, roaming charges are free nationwide, caller ID is given away, domestic voice is 0. 1 yuan/minute, and domestic SMS is 0. 1 yuan/piece. By default, the function of "Daily Rent for Domestic Traffic" is turned on, and the domestic traffic of 1 Yuan /800MB (valid on that day) will be automatically superimposed when used up, and will be charged according to the traffic, without charge. Tip: For more information about Tencent Wangka, please contact the customer service of the local operator for consultation.