J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20)
Websitehttp://www.onochem.com
Aikon International Limited
Telephone025-66028182 18112977050
Websitehttp://www.aikonchem.com
Shanghai Jizhi Biochemical Technology Co. Ltd.
Telephone400-400-400-9004166 18616739031
Websitehttp://www.acmec-e.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Zhengzhou JACS Chemical Product Co., LTD
Telephone0371-86259281 13223061139
Websitehttp://www.jacschem.com
career henan chemical co
Telephone+86-0371-86658258
Websitehttps://www.coreychem.com/
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com