KunNing Micro-Electronics Institute was found in 1994 which is the earliest manufacturer of safety barriers in China. In the course of many years of development, it is committed to providing a safe and reliable instrument for industrial automation, and the scientific research technology is becoming more and more mature. KunNing brand safety barriers, lightning protection and other products have become famous brand products in the industry. The quality and safety of products are examined and certified by authoritative organizations.