Four Rings Biopharmaceutical Co., Ltd.

Overview

Jiangsu Sihuan Bioengineering Co., Ltd., together with its subsidiaries, engages in the production and sales of biopharmaceutical products in China and internationally. The company offers Delusen and New Delusen, a human interleukin-2 for injection are immunomodulators used for the biotherapy of tumors and treatment of patients with weakened immune function; Xinlisheng, a human granulocyte colony-stimulating factor injection used to treat neutropenia caused by bone marrow transplantation, cancer

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