1 Shanghai Roche Pharmaceutical Co. Ltd. (CELLCEPT)
2 Hangzhou Sino American Huadong Pharmaceutical Co. Ltd. (Saikepin)
3 Sinopharm Chuankang Pharmaceutical Co. Ltd. (Maikaofen)
4 Qionglai Tianyin Pharmaceutical Co. Ltd. (Fuyi)
5 Beijing Shuanglu Pharmaceutical Co. Ltd. (Xinfutong)