J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Zhengzhou Ruke Biological Co., Ltd.
Telephone 15981811963
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30552/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Zhuzhou focus pharmaceutical technology co., LTD
Telephone +86-13776644403
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31153/0.htm
Hunan Jibang Biological Technology Co., LTD
Telephone +8613776644403
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList124423/0.htm
Neostar United (Changzhou) Industrial Co., Ltd.
Telephone+86-0519-85551759 +8613506123987
Websitehttp://www.neostarunited.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
ZhengZhou Edward Biology Co.,Ltd
Telephone13298105281 13298105281
Websitehttp://www.edwardbiology.cn
Taizhou Zhongzhi Biotechnology Co., Ltd
Telephone 13012344321
Website