Embedded specimens, using the food safety level of polymer resin as the embedding materials, has the advantages of convenient intuitive, real nature, safe and non-toxic, being preserved for a long time. The product is solid, qualitative feeling, easy to observe. Now QF embedded Specimen bank covers nearly 500 species, including animal shape, animal life cycle, plant germination, animal skeleton, animal anatomy, etc. QF will develop new products constantly to meet the needs of different markets and customers.