Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Yantai Boyun Biological Technology Co. Ltd
Telephone13793517650 13793517650
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList248599/0_EN.htm
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Yantai Zhengxin New Material Technology Co. LTD
Telephone13854547682 13854547682
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1444924/0_EN.htm
Nanxing Chemical (Jiangsu) Co., Ltd
Telephone0512-66387035 18662433356
Websitehttp://www.jsnxhg.com/