J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Changsha Luxing Bio-Chem Technology Co., Ltd.
Telephone0731-0731-88827538 15873153880
Websitehttp://www.luxingbc.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Aikon International Limited
Telephone025-58859352 18068836627
Websitehttp://www.aikonchem.com
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 18736790110;
Websitehttp://www.aobchem.com.cn/
Hefei Mokai Pharmaceutical Technology Co., Ltd
Telephone 19355912709
Websitehttp://www.yxjchem.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 18021050169
Websitehttp://www.aladdin-e.com/
