Founded by artist Zhao Chuang and writer Yang Yang, Beijing-based Peking Natural Science Organization renamed itself Peking Natural Science-Art Organization in 2015, and issues a variety of products in various media, all reflecting a reverence for the natural world. Prehistoric animals are marketed under the name PNSO, while extant animals are sold under the imprint "Yiniao Family Zoo."
- PNSO Age of the Dinosaurs Models
- PNSO Age of Dinosaurs Toys
- PNSO Prehistoric Animal Toys
- Yiniao Family Zoo