Harbin Pharmaceutical Group Co., Ltd. is a Chinese partially state-owned company engaged in the research & development, manufacture, and sale of pharmaceutical products. HPGC medication offerings include traditional Chinese medicine and biopharmaceuticals; its main offerings include antibiotics, including amoxicillin and penicillin, and dietary supplements, including zinc gluconate and calcium gluconate. The company owns both Renmintongtai, a drugstore chain and medical wholesaler for the domestic market, and GNC, a U.S.-based international retailer of supplements and wellness products. Wikipedia