Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; +8619817745290
Websitehttp://www.blocksynth.com/
Hangzhou Taorui Biotechnology Co., Ltd
TelephoneQQ1259737804 15268198094
Websitehttp://www.torreybio.com/
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850
Websitehttp://www.leapchem.com