1[Ceramic Material] All fiber sleeves are made of high quality ceramics, so that any configuration of fiber tail and jumper can make the loss of the optical signal very small, ensuring extremely low insertion loss and reflection loss. 2[Ceramic Pins] The product adopts ceramic pins, high quality optical fiber cables, and the size and grade parameters of the radius of curvature of the ceramic end face meet the standard requirements. 3[Grinding Technology] High quality grinding technology and grinding equipment can effectively ensure that the center of the optical fiber is polished and deviated, the optical fiber is recessed, and the appearance of the optical fiber is free of scratches or defects. 4[Small Loss] Fiber optic cable has low insertion loss, large return loss, good interchangeability, excellent replugging performance, and convenient use. 5[Lightweight and Portable] Light weight, small size, easy to carry and store, convenient and quick to use, stable performance.