Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Zheda Panaco (Shandong) Chemical Enginering Co., Ltd.
Telephone0530-8865559 13805730994;
Websitehttp://www.zdfkchem.com
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn