T-Ji designed its patented, award-winning Reflex Bumpers using state-of-the-art simulation software backed by real-world testing to optimize weight & cost, without sacrificing performance. T-Ji’s Reflex Bumpers are certified to APTA 5.4.3.9 for three curb weights ranging from 30,000 lbs to 51,500lbs, sustaining repeated “hits” with a 100% return, every time, time after time.