J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Tonichem Pharmaceutical Technology Co., Ltd.
Telephone+86 (0752) 222-7171, +86 15815821171
Websitehttp://www.tonichem.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Shanghai CR Corporation Limited
Telephone 4006653949
Websitehttp://www.crcorporation.cn
XinYao(Shenzhen) Biological Technology Co., Ltd.
Telephone0755-89880280
Websitehttps://www.xinyaosz.com
PI & PI BIOTECH INC.
Telephone020-81716320 17788709170
Websitehttps://www.paypaytech.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.com/
CR Corporation Lomited
Telephone
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1064055/0.htm
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 17825480238
Websitehttp://www.dmstandards.com
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Henan Huawen Chemical Co., Ltd
Telephone0370-0370-2059268 17550075363
Websitehttp://www.hnhwchem.com
Shanghai Lanc Pharmaceutical Technology Co., Ltd.
Telephone021-52216295 lankepharma
Websitehttp://www.lankepharma.com
Taizhou Nanfeng Pharmaceutical Research Institute
Telephone 3821987872
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1580880/0.htm
Shaanxi Dideu Medichem Co. Ltd
Telephone029-61856359 18690052321
Websitehttp://www.dideu.cn
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
