Suzhou City, Jiangsu Province. Yangcheng Lake hairy crabs, also known as golden claw crabs, are produced in Yangcheng Lake, Suzhou, Jiangsu Province. "Yangcheng Lake hairy crabs" specifically refers to hairy crabs that are naturally formed in Suzhou City and produced in the 113 square kilometers of Yangcheng Lake waters that meet certain standards. Yangcheng Lake has sufficient sunlight, little silt on the upper water bottom, and hard soil, which is most suitable for the growth of hairy crabs.