J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-400-6206333 18521732826
Websitehttp://www.aladdin-e.com/
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-87569266 15319487004
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-220/
ChengDu SinoStandards Bio-Tech Co.,Ltd. ，
Telephone028-83243028 19136088901
Websitehttp://www.ebuylabs.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
Ningbo jinuo chemical co., LTD
Telephone0574-87314919 057487319282
Websitehttps://cn.nbinno.com
Changzhou Xianglong Pharmaceutical Technology Co., LTD
Telephone0519-88910898; 18661161657
Websitehttp://www.xianglongpharm.com/
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815987 13927875076
Websitehttp://www.wj-chem.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Guangdong Fangxin Biotechnology Co., Ltd.
Telephone0751-2838688 13376594225
Websitehttp://www.fangxinsw.com/
