Jilin Chagan Lake Fishery Co., Ltd. is a state-owned enterprise located in Songyuan City, Jilin Province, China. The company specializes in traditional winter fishing methods on Chagan Lake, one of China's largest freshwater lakes. This ancient practice, which dates back over a thousand years, involves drilling holes through thick ice and casting nets to harvest various fish species, including the renowned bighead carp. The company plays a significant role in preserving this cultural heritage and contributes to the local economy through fishing and tourism activities.