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
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttps://www.standardpharm.org.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
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
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
HX Pharmaceutical technology co., LTD
Telephone 15671363360
Websitehttp://www.szhx-pharm.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonehanfangpharma@126.com 15165037910
Websitehttps://hanfangpharma@126.com
Hubei Moco Chemical Co., Ltd.
Telephone18627753421; 18627756402
Websitehttp://www.molcoo.com/
Xibiao (Shanghai) Technology Co., Ltd
Telephone18512111473 18512111473
Websitehttps://www.xibiao-tech.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
