Hangzhou Zhongchang Scientific Co.,Ltd
Tel: +86-571-88932183 88862010
Fax: +86-571-85120438
Add: E/19 Tianyuan Mansion, No.508 Wensan Road, Hangzhou, Zhejiang, China
Zip code: 310013
Email：zhongchang@zj.com  sales@chemlands.com
Site： http://www.chemlands.com