Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.
Telephone0531-58897130 15508676053
Websitehttp://www.sdcclh.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
Telephone18502726233; 18502726233
Websitehttps://www.chemicalbook.com/supplier/25403897/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone 15787879035
Website