J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Sichuan Guanghan Bio-Tech Co., Ltd
Telephone+86-28-86127071
Websitehttp://www.sino-produce.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
T&W GROUP
Telephone021-61551611 13296011611
Websitehttp://www.trustwe.com/
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Beijing HuaMeiHuLiBiological Chemical
Telephone010-56205725
Websitehttp://www.huabeibiochem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Zhengzhou Granlen Sciences, ltd.
Telephone0371-85513397
Websitehttp://www.granlen.com
NewCan Biotech Limited
Telephone+86-0571-86912261 +8613735419629
Websitehttps://www.newcanbio.com/
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
Telephone+86-021-61551413 +8618813727289
Websitehttp://www.trustwe.com/
Shanghai meikai technology co., ltd
Telephone021-18721550-091 18721550091
Websitehttp://www.masonchemtech.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone021-51816796-820 13611835272
Websitehttp://www.sunwaypharm.com/
Suzhou Zhixin Biotechnology Co., Ltd.
Telephone0512-65118909 15162312715
Websitehttp://www.szzxbio.com/
