supplier list
- Hangzhou Dayangchem Co., Ltd.
- Tel:86-571-88938639
- Address: 9/F Unit 2 ChangdiTorch Building, 259 #WenSan Road
- Beijing Chemsynlab Pharmaceutical Science & Technology Co. Ltd
- Tel:+86-(10)-51184589
- Address: No. 18, Jinyuan Road, Daxing Industrial Developing District, Beijing 10262,