Location:About Us

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: 1605 S. Main St, STE 117, Milpitas, CA 95035
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

1605 S. Main St, STE 117, Milpitas, CA 95035
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