... 1)High quality and competitive price 2)Stable performance used in industry 3)Customized dimension, any sizes available ... 30UH-40UH, 28EH-38EH, 28AH-35AH4. Shape: Disc(Cylinder), Block, Ring, Countersunk, Segment and more, trapezoid, irregular shape, customized ... , Everlube, passivation ,tin and CR3 + Zn7. Application:Widely used in different applications, such as motors, sensors, microphones, wind ...