1 Yangtze River Pharmaceutical Group Co. Ltd. (Ousu)
2 General Electric Pharmaceuticals (Shanghai) Co. Ltd. (Ounaipaike)
3 Beijing Beilu Pharmaceutical Co. Ltd. (Shuangbei)
4 Hunan Hansen Pharmaceutical Co. Ltd. (Dianke)
5 Hunan Jinjian Pharmaceutical Co. Ltd. (Shukeming)