Hangzhou J&H Chemical Co., Ltd.
Telephone0571-87396432
Websitehttp://www.jhechem.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66028182 17714375163
Websitehttp://www.aikonchem.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Shaoyuan Technology (Shanghai) Co., Ltd.
Telephone4000665055
Websitehttp://www.shao-yuan.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone25-57027686 17372956142
Websitehttp://www.syntitan.com/
Shijiazhuang Yansheng Biotechnology Co., LTD
Telephone18332018567; 18332018567
Website
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/