Qing dao Topsen chemical Co.,Ltd.
Tel:+86 0532-84838298
Fax:+86 0532-84838298
Mobile:+86 18562795391
E-mail:Wenni@topsen-chem.com
Whatsapp:0086 18562795391
Skype:Wenni@topsen-chem.com
Website:http://www.topsen-chem.com http://www.topsenchem.com
Add :99 Chongqing South Road, Shibei District, Qingdao, Shandong, China