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
Shanghai TenSus Biotechnology Co., Ltd.
Telephone021-50895067 18616507272;13681616114;15020344067
Websitehttp://www.tqbiotech.com.cn/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
Guangzhou CATO Research Chemicals Inc.
Telephone+86-020-81960175-617 18520203721
Websitehttps://www.cato-chem.com/