Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information National Blood Service ← View details Bryn Seiont Hospital, Pant Road, Caernarfon, Gwynedd LL55 2YU, United Kingdom, Caernarfon, England