Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Dideu Industries Group Limited
Telephone+86-29-89586680 +86-15129568250
Websitehttps://www.dideu.com
DONBOO AMINO ACID COMPANY
Telephone 13063595538
Websitehttp://www.donboo.com/
Hu' nan Yunbang Pharmaceutical Co., Ltd.
Telephone88532689 15386497078
Websitehttp://www.yunbangapi.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-029-81148696 18161915376
Websitehttp://www.dideu.cn
SUZHOU SENFEIDA CHEMICAL CO.,LTD
Telephone+86-0512-83500002 +86-15195660023
Websitehttps://www.sfdchem.com/
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
Telephone +8618950047208
Websitehttp://www.amitychem.com
Hebei Chuanghai Biotechnology Co., Ltd
Telephone +86-17732866630
Websitewww.chuanghaibio.com