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Shanghai biopharmaceutical company developing antibody drugs for cancer and autoimmune diseases.
Hunan Qiyu Biotechnology Co., Ltd., trading as Qiyu Biotechnology (Shanghai), is based in Shanghai, China and was established in 2017. It develops new drugs for cancer and autoimmune diseases, with a focus on antibodies, and has built platforms for phage display, hybridoma antibody humanization, single domain antibodies and antibody engineering. It has cooperated with BRL Medicine, Bio Map, Hengrui Pharmaceuticals and Precious Benchmark. In January 2026 it raised venture funding from Beijia Investment Management.
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