Certified Per ANSI-A156.17-Grade 1, Passed 1 Million cycles of Opening and Closing test.
  Certified by Underwriter Laboratories Inc, the most authoritative security standard. Life service is over 20 years; Calculation by UL certification: opening 100 times per day
  ANSI/BHMA-A-156.17-Grade 1. Patented worldwide
  For fire rated door, CNS11227 f(60B).    
  ANSI / BHMA A156.17 Grade 1: One millions cycles of opening/closing durability test.

D-U-N-S® Number:656109048

National Invention and Creation Silver Medal Awards & Taiwan Foundry Society
Awards & Taiwan Excellence Awards & Golden Pin Design Award.