New optical fiber splice concept of fast fiber-optic wiring sub-, ultra-precision alignment components, high and smooth guide block, step cone positioning the initial fiber, floating compression block of the coating, and a novel single-mode and multimode fiber splice technology, continue excellent performance, fiber butt accurate, reliable clamping bare layer, different specifications, sizes and coating fiber automatic initial positioning, making the fiber continue to become simple, fast and perfect, while ensuring the absolute transmission reliable.