If you'd like to get in touch with the Sino Surplus International Ltd.(SINOSI) or its sub-branch companies for any reason or request , you can contact us by phone: (86-10) 8207 0680 or by Fax: (86-10) 8207 0690; 8207 9576 or send E-mail: sinosi@sinosi.com or contact us according to the following information:

1. Silica & Silicon Sales and Service Center
-All kinds of silica and silicon materials and related products

Tel ： （ 86-10 ） 82070680 ； 82070681 ； 82070682； 82070683
Fax ： （ 86-10 ） 82070690 ； 82079576 ； 82254815

E-Mail: sales@sinosi.com or service@sinosi.com
Http://www.sinosi.com   or Http://www.chinasilica.com or Http://www.sinosi.cn

2. Crude & Refined Oil and Gas Sales and Service
-The general agent of American National Oil Company Inc.

Tel ：（ 86-10 ） 82079580 ； 82079583
Fax ：（ 86-10 ） 82070690 ； 82079576
E-Mail: sinosi@sinosi.com or gm@sinosi.com
Http://www.nationaloil.cn

3. Iron Ore , Manganese Ore and Chrome Ore Import Business
-Import from Brazil , Australia , India , Indonesia , South Africa etc.

Tel ：（ 86-10 ） 82070681
Fax ：（ 86-10 ）82070690 ； 82079576
E-Mail: gm@sinosi.com or sinosi@sinosi.com
Http://www.sinosi.com or Http://www.sinosi.cn

4. Auto Magic Car Care Products and Related Services
-The general agent of American Auto Wax Company Inc.

Tel ：（86-10）82070676；82070677；82070678；
Fax ：（86-10）82071663；
E-Mail: automagic@automagic.cn or sales@sinosi.com
Http://www.automagic.cn or Http://www.autowaxcompany.net

5. The B2B Service in the World of Silica & Silicon
-The worldwide B2B commercial platform on silica and silicon

Tel ：（ 86-10 ） 82070650
Fax ：（ 86-10 ） 82079576 ； 82070690
E-Mail: webmaster@windosi.com or windosi@windosi.com
Http://www.windosi.com or Http://www.windowsi.com

6. Formula Racing China Ltd. Beijing Office
-The Promoter of Champ Car World Series LLC, USA

Tel: (86-10) 82070650；82070651；82070652；82070653
Fax: (86-10) 82070657；82070659; 820709576
E-mail: frc@sinosi.com or sinosi@sinosi.com
Http://www.frcws.com or Http://www.champcarwordseries.cn
Http://www.champcarworldseries.com

7. General Services and Offers

You may reach us by the following ways according to your specific needs:
Material supplying:supply@sinosi.com
Technical service: service@sinosi.com
Jobs application: jobs@sinosi.com
Complaining, appealing or important request: gm@sinosi.com

8. Mailing Address:

For Sales and Service:
No.23A-88A, Huangsi Street, Xicheng District, Beijing 100011, P.O.Box: 9 Ext. 88A, P. R. China

For R&D and Production:
Badaling Industrial Zone, Yanqing, Beijing 102100, P.R.China

We will try our best to offer as quickly as possible once receive your any enquires or request. Thank you for your attention and appreciate your feedback.

9. Our office map in Beijing: