nickel sleeve  is the main part of optical fiber adapters. In order to enable cost-reduction measures without sacrificing performance, our company decides to replace copper sleeves (PB Sleeves) and ceramic sleeves (Zirconia Sleeves) with high quality nickel sleeves. The nickel sleeve is made of nickel alloy which contains 99.5% nickel.

1.	PB Sleeve can not pass Salt Spray Test & Plug In and Out Test in 2000 times.
2.	The chance of Ceramic Sleeve's breakage is 4/10000.
3.	The LC Ceramic Sleeve, its chance of breakage may reach as much as or more likely 10/10000. As far as Japanese Nickel Sleeve,the chance of breakage is zero.
4.	The length and diameter of nickel sleeve can be customerized