Quatrosense Environmental Ltd. (QEL Ltd.) Richmond-Ontario-Canada Share Post Facebook Twitter LinkedIn Pinterest Save Submit Review Listing Description Manufacturer of Fixed Gas Detectors and Controllers for Industrial, Commercial, Aerospace, Municipal, Healthcare, Educational, Defense, and Research industries since 1987. Show more Show less Exhibited AHR26 Booth Number: C1853 EXHID: 2078AHR Visit Event Profile Be the first to review “Quatrosense Environmental Ltd. (QEL Ltd.)” Cancel replyYou must be logged in to post a review. Be the first to review “Quatrosense Environmental Ltd. (QEL Ltd.)” Cancel replyYou must be logged in to post a review.