Generally, we sell by the catty, and the quality is graded. The highest top-level black card is 4000-5000+, the second-level black card is about 3000, the third-level black card is about 2000, followed by the purple card, the first-level 1500, the second-level 1000 and the third-level 700. This is about the specific price difference in the current domestic market. If you are not rich, you can consider Maca chewable tablets, which are also imported from Peru and filed by the Food and Drug Administration. If you are interested, write privately.