Northeast Pharmaceutical Group Co., Ltd. is a China-based company engaged in chemical pharmaceuticals manufacturing, pharmaceutical distribution, pharmaceutical engineering, biopharmaceuticals, and other businesses. Its product portfolio includes vitamin products (such as vitamin C, vitamin B1, vitamin B6, and L-carnitine series), anti-infective products (such as fosfomycin series, azithromycin series, amantadine series, polyalkali hydrochloride, and chloramphenicol), and reproductive system and hormone products (including carboprost suppositories, carboprost tromethamine, dapoxetine hydrochloride, and levonorgestrel and tadalafil tablets). The company also offers nervous system products, narcotics and psychotropic drugs, anti-AIDS products, in vitro biological diagnostic reagents, general health products, and cell therapy products, and engages in medical distribution. Founded in 1946, it is based in Shenyang, China.