| Beijing Hvsf United Chemical materials co., LTD | |
| Add: No.8 Ronghua RD, Economic and Technological Development Zone, Beijing, China | Moble:+86-13366977697 Mr.Cui |
| Tel:+86-10-57862036 57862181 65405760 67374028 | Fax:+86-10-65712882 |
| E-mail:huafenginfo@126.com | Url:http://www.huafenginfo.com.cn |
