Jiangsu Wuzhong Pharmaceutical Group Zhongkai Biopharmaceutical Factory

Jiangsu Wuzhong Pharmaceutical Group Zhongkai Biopharmaceutical Factory is the specialized biotechnology manufacturing division of Jiangsu Wuzhong Pharmaceutical Group, located in Suzhou, China. The facility is dedicated to the research, development, and large-scale commercial production of recombinant protein therapeutics. Its flagship product is Xintexin, a brand of Recombinant Human Interleukin-2 (rhIL-2) used extensively in clinical oncology for treating renal cell carcinoma and malignant melanoma. The factory operates under strict national Good Manufacturing Practice (GMP) standards and serves as a core hub for the parent company's biological medicine division. As a key asset of a publicly traded pharmaceutical group, the factory integrates advanced bioprocessing capabilities with a focus on immunotherapy.