J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 15697565236;
Websitehttp://www.aobchem.com.cn/
Changzhou Qianai Biotechnology Co., Ltd
Telephone0519-15240519135 13961152745
Website
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/