J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-0371-55629727 13323845623
Websitehttp://www.acmechem.cn
Henan Alfachem Co.,Ltd.
Telephone0371-0371-55051623 18137891487
Websitehttps://www.chemicalbook.com/supplier/14555231/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Henan Kaiyan Biotechnology Co. Ltd.
Telephone0371-55676069 18137782046
Websitehttp://www.kaiyanchem.com
CD Chemical Group Limited
Telephone +8615986615575
Websitehttp://www.codchem.com/
Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
Shanghai TenSus Biotechnology Co., Ltd.
Telephone021-50895067 18616507272
Websitehttp://www.tqbiotech.com.cn/
Qingzhou dafeng import and export Co. LTD
Telephone 16773308882
Websitehttp://www.qzdafeng.cn/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/