Liu Guozheng, who also does original art making bronze flowers, notes that "the National Palace Museum always waits until they have almost nothing left in stock before they hold a bidding procedure."
「故宮通常要等到倉庫裡的青銅存貨所剩無幾，才會再次招標，」本身也做「青銅花」藝品創作的劉國正說。