Hello, We need 20x20x3mm Neodym block magnet for 7 k pieces. I need a quatoation for per unit based on 7 k PCS. Please indicate the the both airway and landway delivery cost, leading time as well as details of packing seperately. Also, Is it possible to send us a few pieces of free sample? We should test it for its specifications. Kindly ask your best quotatiton due to we would receive tight prices from different sellers. Immediately, waiting for your reply. Thank you. Regards. Show More