2、NMR tube

Beijing HeSi scientific & Technology Ltd.
Add:Room 806 Building No.1 Xinqidian Jiayuan No.5 Changchunqiao Rd.
Haidian Dist. Beijing China
Post Code:100089
Tel:+86-10-8256 1087 / 8256 1086 Fax:+86-10-8256 1088
Email:info@bjhesi.com http://www.bjhesi.com