How can xperia 1 use mobile and telecom dual cards in mainland China?

[宇塵]

請問各位大俠，xperia 1如何才能使用中國大陸地區的移動和電信雙卡呢？謝謝！

I would like to ask you heroes, how can xperia 1 use mobile and telecom dual cards in mainland China? Thank you!

-GT