Signal Fire fiber splicer Ai-9 is a six-motor, fiber core alignment automatic fiber welding machine, with optical power, red light detection function. Industrial quad-core CPU, fast running speed, 5 seconds fast welding, 15 seconds fast heating, 5 inches high resolution LCD screen, 300 times magnification; The working efficiency is 50% higher than that of ordinary welding machine. Large-capacity lithium battery can be heated by fusion of about 260 cores, high altitude, desert, extremely cold and other harsh environment performance is still outstanding.