J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; +8619817745290
Websitehttp://www.blocksynth.com/
Hefei Mokai Pharmaceutical Technology Co., Ltd
Telephone 18130062233
Websitehttp://www.yxjchem.com/
Changzhou Qianai Biotechnology Co., Ltd
Telephone0519-15240519135 13961152745
Website
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/