“Hu mang” is the most famous product of Lanzhou. Lanzhou Special Craft Community, formed by Ruan Guangyu, created “The West Chamber,” “The Water Margin,” “A Dream in the Red Mansion,” “Pilgrimage to the West” and other products, making “Hu mang” a shining star on the market. Ruan Wenhui, using his knowledge of and specialty in Chinese painting, created many techniques such as “ink portray,” “imitation,” “color sculpting,” and “miniature.” Many of his miniature gourd sculptures are part of the national collection of the China National Arts and Crafts Museum.