J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
Hubei Xinyang Medical Technology Co., Ltd
Telephone15347293736 15347293736
Websitehttp://www.standardpharm.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Zhuhai Anzhe Biotechnology Co,Ltd.
Telephone 13169972583
Websitehttp://www.anzhe-c.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
HX Pharmaceutical technology co., LTD
Telephone 15671363360
Websitehttp://www.szhx-pharm.com
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com
Henan Vcommend Consultrading Co., Ltd.
Telephone 13393721940
Websitehttp://www.vcommend.com/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 18616537568
Websitehttps://hanfangpharma@126.com
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
