J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
Chengdu HuaXia Chemical Reagent Co. Ltd
Telephone400-1166-196 13458535857
Websitehttp://www.hx-r.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418684 +8618949823763
Websitehttps://www.tnjchem.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/
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com