The M.U. will vary. The M.U. is the smallest number of pieces that must be ordered of any one style or code number. Different Minimum Units for some items may apply to wholesale orders. You must submit a valid state resale or tax number with each wholesale order. Czech beads are superior in everyway to similar beads from other nations, such as India, Germany, and France, except for those of Japan.
Japanese beads are more consistent in size, and usually have more durable finishes.
This consistency in size is extremely important, especially if doing intricate, very detailed bead work. Japanese beads are considerably more expensive than Czech beads.