Henan Alpha Chemical Co., Ltd.
Telephone0371-55013243 15324716602
Websitehttps://www.chemicalbook.com/supplier/24684125/
J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Chongqing Chemieliva Pharmaceutical Co., Ltd.
Telephone023-67770219
Websitehttp://www.chemieliva.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Zhengzhou Alfa Chemical Co.,Ltd
Telephone +8618530059196
Websitehttps://www.chemicalbook.com/manufacturer/zhengzhou-alfa-chemical-276/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
guoyungurui
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25521782/
Shanghai Kaisen Biotechnology Co., Ltd
Telephone 17558870519
Websitehttps://coa.ikekule.com/