Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Perna Engineering ← View details 47 Cocos Dr, Bibra Lake WA 6163, Australia, Bibra Lake, Western Australia (08) 9418 6352