J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@qq.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0_EN.htm
Taizhou Nanfeng Pharmaceutical Research Institute
Telephonenanfengpharma@126.co 13127117265
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1580880/0.htm
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://www.standardpharm.cn/
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Henan Kehong Biological Technology Co. LTD
Telephone0371-55969461 18539988675
Websitehttps://www.kehobio.com
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 19171453112
Websitehttp://www.yongstandards.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/