J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Nanjing Chemlin Chemical Co., Ltd
Telephone025-83697070
Websitehttp://www.echemlin.cn
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Yuhao Chemical Technology Co., Ltd
Telephone0571-82693216
Websitehttp://www.chemyuhao.com
Tianjin Derchemist Science & Technology Co., Ltd.
Telephone22-58627059 13920586291
Websitehttp://www.derchemist.com
Shanghai Topbiochem Technology Co., Ltd
Telephone+86-21-60341587
Websitehttp://www.topbiochem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Chengdu Aofan Pharmtech Co.,Ltd
Telephone 15281070185
Websitehttp://www.chengduaofanyiyao.com/
Chengdu HuaXia Chemical Reagent Co. Ltd
Telephone400-1166-196 13458535857
Websitehttp://www.hx-r.com
Hainan Manfangyuan Pharmaceutical Chemical Co., Ltd.
Telephone0898-66518050 13307521111
Websitehttp://www.hnmfy.com
Nanjing Chalf-Pharm Technology Co., Ltd.
Telephone025-57018978 18251899859
Websitehttp://www.chalf-pharm.com
Credit Asia Chemical Co., Ltd.
Telephone+86 (21) 61124340
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16523/0.htm
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Sinfachem Limited.
Telephone025-84683399 13952017251
Websitehttp://www.sinfachem.com
Suzhou Shang Enda Biotechnology Ltd.
Telephone0512-66242155 13382105697
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19085/0.htm
Jinan Putubio Tech Co., Ltd.
Telephone+86 (531) 8099-2215
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16923/0.htm
Shanghai Qiao Chemical Science Co., Ltd
Telephone021-58892003
Websitehttps://www.chemicalbook.com/supplier/10168672/1.htm
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com