ShangHai Book Chemical Co., Ltd.
Telephone15001988657 15802146997
Websitehttp://www.bookchemicals.com
Aikon International Limited
Telephone 17714375163
Websitehttp://www.aikonchem.com
Shandong Welt Chem. Co.,Ltd.
Telephone531-87153728 13805401165
Websitehttp://www.jinandayuchem.com
Jinan Rongke Pharmaceutical Co., Ltd.
Telephone 18615606162
Websitehttps://www.chemicalbook.com/supplier/138789123/
Nantong Xinqisheng Biotechnology Co., Ltd.
Telephone13635551869 13690496888
Websitehttps://www.thiwin.com