TEL: (510) 979-0289    Monday through Friday 8:30a.m. - 5:30p.m. PST

Our voice mail system is available 24-hours, please leave a message with detailed information after working hour.

SDO Communications Corp.
42996 Osgood Rd.
Fremont, CA 94539

Directions to SDO

SDO Communications Corp. Taiwan
5F, No 736, Chung Cheng Rd.,
Chung Ho City, Taipei Hsien,
Taiwan, R.O.C.

info@sdocorp.com