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
BeiJing Hwrk Chemicals Limted
Telephone0757-86329057 18934348241
Websitehttp://www.hwrkchemical.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Spectrum Chemical Manufacturing Corp.
Telephone021-021-021-67601398-809-809-809 15221380277
Websitehttps://www.spectrumchemical.com/OA_HTML/index.jsp?minisite=10020&respid=22372&language=US
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-0431-80514535 19917294565
Websitehttp://www.chemextension.com
Zhengzhou Alfachem Co.,Ltd.
Telephone0371-53778726 18003825608
Websitehttps://www.chemicalbook.com/Supplier/10838232/
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 18016230971
Websitehttp://www.leyan.com
Zhengzhou Ruke Biological Co., Ltd.
Telephone 15981811963
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30552/0.htm
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400-6387771-6038 18902104717
Websitehttp://www.heowns.com
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-037163312495,13303845143 13303845143
Websitehttp://www.acmechem.cn
Suzhou Adelaide Chemical Technology Co., Ltd.
Telephone15995785122
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30894/0.htm
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 UCHEM Inc.
Telephone+862156762820 +86-13564624040
Websitehttp://www.myuchem.com/
Shanghai TenSus Biotechnology Co., Ltd.
Telephone021-50895067 18616507272
Websitehttp://www.tqbiotech.com.cn/
shanghai Chemsoon Co. Ltd.
Telephone021-51987688-803
Websitehttp://www.chemsoon.com.cn/
Henan Pusai Chemical Products Co., Ltd.
Telephone0371-63357898
Websitehttp://www.psaichem.com
