Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Aikon International Limited
Telephone025-58851090 13611564524
Websitehttp://www.aikonchem.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; +8619817745290
Websitehttp://www.blocksynth.com/
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/