Guangdong Haixing Bioscience Co., Ltd., also known as Star Lake Bioscience Co., Inc., is a leading enterprise in China specializing in biological fermentation and biochemical engineering. Founded as the Zhaoqing Agricultural Microorganism Factory in 1964, the company later transitioned into a joint-stock company and was listed on the Shanghai Stock Exchange in 1994. The company is renowned for its advanced research and development capabilities, including a national enterprise R&D center and a Postdoctoral research station. Its product offerings include food additives, pharmaceutical ingredients, and feed additives, with brands such as Star Lake and Yue Bao.