Looking for strong magnet, china magnet, rare erath magnet, electro magnet

RFQ Description

Dear Sir,we need to build a small magnet underneath an optical microscope to see the structure of the sample, we need to put the sample between the two poles of the magnet (the distance between the two poles shouldn't be more than 1.5 inch and the height of the magnet rods shouldn't be more than 1.5 inch to can focus on the samples using the optical microscope. the magnetic field should be around 3000Oe or more, the power supply can provide Ac or DC current to generate Ac or Dc magnetic field, if you need any further information please let me know,EmadEmail: *******@*****.com