J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
ZhengZhou HuaWen Chemical Co.Ltd
Telephone0370-2785118 17550508557
Websitehttp://www.hnhwchem.com
T&W GROUP
Telephone021-61551611 13296011611
Websitehttp://www.trustwe.com/
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Zhengzhou Gecko Scientific Inc.
Telephone0371-63336364 17344886665
Websitehttp://www.zzgecko.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone13316949107 13316968096
Websitehttp://www.szbotaier.com/
Zhengzhou Alfa Chemical Co.,Ltd
Telephone +86-18530059196
Websitehttps://www.chemicalbook.com/manufacturer/zhengzhou-alfa-chemical-276/
AFINE CHEMICALS LIMITED
Telephone+86-571-85134551 +86-18958018566
Websitehttp://www.afinechem.com/index.html
Neostar United (Changzhou) Industrial Co., Ltd.
Telephone+86-0519-85551759
Websitehttp://www.neostarunited.com
Henan qinpeng technology co., ltd
Telephone微信：18839185240; 15737400781
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList611244/0_EN.htm
Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD
Telephone0755-83725350 13380397412
Websitehttps://www.sincopharmachem.net
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Hubei Baidu Chemical Co., Ltd
Telephone027-59106051 13627137652
Websitehttps://www.chemicalbook.com/supplier/23879235/
