Zhejiang Cheng Yi Pharmaceutical

Zhejiang Cheng Yi Pharmaceutical has over five decades of experience as a leading Chinese manufacturer of active pharmaceutical ingredients, intermediates, and finished dosage forms. The company operates multiple GMP-certified facilities audited by major global regulators including the US FDA, EMA, TGA Australia, MHRA UK. Its portfolio includes more than sixty drugs across small molecules and peptides with strong export activity to North America, Europe, Asia-Pacific and beyond. Key commercial products include azathioprine and mercaptopurine for immunosuppression/leukemia; ribavirin for viral infections; glucosamine hydrochloride for joint health; torasemide as a diuretic agent. The company also engages in contract manufacturing services.