Contact Us

If you would like to place order, or need technical support, please send E-mails to:
Tel：(86) 28-85332200
Sales：sales@sigma-rt.com
Tech support：support@sigma-rt.com

U.S. Pacific

Located in Santa Clara, CA, USA
Direct phone: 408-748-0070
Fax: (408) 516-8288
Web site: www.sigma-rt.com
Address: 2905 Stender Way, Suite #26, Santa Clara, CA 95054
Support Technical: support@sigma-rt.com
Media Inquiry: pr@sigma-rt.com
Normal office hours: Monday–Friday, 9 a.m.–5 p.m. Pacific Standard Time

Asia Pacific

Located in Chengdu, China
Telephone: (86) 28-85332200 ext 1144
Fax: (86) 28-85330299
Web site: www.sigma-rt.com
Address: 7-8F, Building 7, Zone A, TianFu Software Park No.765 Tianfu Avenue
Chengdu, Sichuan, 610041
E-mail: support@sigma-rt.com
Normal office hours: Monday–Friday, 9 a.m.–5 p.m. China Standard Time

U.S.HQ

2905 Stender Way, Suite 26 Santa Clara, CA 95054 USA
Tel: (408) 748-0070
Fax: (408) 516-8288

China Chengdu HQ

7-8F, Building 7, Zone A,
TianFu Software Park
No.765 Tianfu Avenue
Chengdu, Sichuan, 610041
Tel: (86) 28-85332200
Fax: (86) 28-85330299

China Beijing Facility

Tower E 904, Jiahua Building,
Shangdi Three Street No.9,
Beijing
P.R.China, 100085
Tel: (86) 10-82826558 / 82826678 / 82826687
Fax: (86) 10-82826588

China Hangzhou Facility

Room 1409 Ruiqi Building, #425 Moganshan Road Xihu District,
Hangzhou, P.R. China, 310012
Tel: (86) 571-81951691,2
Fax: (86) 571-81951690

China Shanghai & Shenzhen Service