Yes, there are inter-provincial coach services from Capital Airport to Tianjin, Langfang, Tangshan, Baoding, Cangzhou and even Chifeng.
<a href="//commons.wikimedia.org/wiki/User:N509FZ" title="User:N509FZ">N509FZ</a>
<span class="int-own-work" lang="en">Own work</span>