Panda poop produces paper

They hope to have a product line available by next year, he said.

"We are not interested in doing this for the profits but to recycle the waste," said Liao. "It's environmentally friendly. We can use the paper ourselves and also we can sell whatever is left over."

The center's 40 bamboo-fed pandas produce about 2 tons of droppings a day, but Liao said he was not sure yet how much paper would result.