Yantai Boyun Biological Technology Co. Ltd
Telephone13793517650; 13793517650
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList248599/0.htm
Yantai Zhengxin New Material Technology Co. LTD
Telephone15065715832; 13854547682
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1444924/0.htm
Shandong Welt Chem. Co.,Ltd.
Telephone531-87153728 13805401165
Websitehttps://www.jinandayuchem.com
Yanggu Rongke Trading Co., Ltd
Telephone 15863541132
Website
Qingdao Dexin Chemical Co., Ltd
Telephone+86-15553333686 +86-15553333686
Websitehttp://www.dexinchem.com.cn/
