We have magnetic beads in silica, magnetic beads in carboxylic acid, and various kits for nucleic acid extraction by magnetic bead method (samples can be extracted from whole blood, serum plasma free, plasmid, etc.), and the packing specifications of magnetic beads are 2ml, 10ml, 50ml, 500ml, 1000ml, etc. The packing specifications of the kits are: bottles are 50T/box, 100T/box, 200T/box, and the pre-filled kits are 32T/box, 48T/box, 64T/box, 96T/box, and 48T/box. We have 32T/box, 48T/box, 64T/box, 96T/box, and so on.