J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Hunan Zengda Biological Technology Co., LTD
Telephone 18711085600
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1118979/0.htm
ShenZhen Trendseen Biological Technology Co.,Ltd.
Telephone13417589054 13417589054
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList312717/0.htm
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 18616537568
Websitehttps://hanfangpharma@126.com
Moxin Chemicals
Telephone +8617320513646
Websitehttps://www.molcoo.com/
Hu Bei Jiutian Bio-medical Technology CO.,Ltd
Telephone027-88013699 17354350817
Websitewww.jiutian-bio.com
Xilinglab Co., Ltd.
Telephone +8618381337976
Websitewww.xilinglab.com
