Ningxia Hengkang Technology Co., Ltd
Metformin hydrochloride
Mr. Deng: 15300652390
Email: denghao@hengkangchina.com
Mr. Zhao: 13709591246
Email: zhaojun@hengkangchina.com
Dicyandiamide
Ms. Wang:13309593959
Email:sissiwang@hengkangchina.com
Mr. Zhao: 13709591246
Email: zhaojun@hengkangchina.com