1Material: High quality grinding equipment to ensure the deviation of the center of the optical fiber grinding, the use of high temperature, acid, alkali, high hardness (high density) oxide sleeve. 2Stability: Strong optical performance, mechanical stability, good optical performance and high mechanical stability. 3High Efficiency: Stable, durable, good interchangeability, good repeatability, good wear resistance, good temperature stability. 4High Reliability and Stability: Low insertion loss, average additional loss of 0.2dB; high return loss, more than 1000 insertion and removal times. 5Product Application: Optical fiber communication system, optical fiber access network, optical data transmission, optical fiber CATV, local area network (LAN), test equipment.