If the Holtek website range of on-line services regarding product and technical issues is unable to answer your questions, you are welcome to contact Holtek directly for further information. According to your own geographical location, please select the correct regional area from the following list to contact us.

 
Sales and Service Offices
Taiwan Region
Holtek Semiconductor Inc. 
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373

Contact Taipei Sales Office
China Regional
Holtek Semiconductor (China) Inc.
Building No. 10, Xinzhu Court, (No. 1 Headquarters), 4 Cuizhu Road, Songshan Lake, Dongguan, China 523808
Tel: 86-769-2626-1300
Fax: 86-769-2626-1311(Rep. Line)，86-769-2626-1322(Sales Departmen)

 

Contact China Regional Sales Office
North America United States / Canada
Holtek Semiconductor (USA), Inc.
46729 Fremont Blvd., Fremont, CA 94538
Tel: 1-510-252-9880
Fax: 1-510-252-9885

Contact North America Sales Office
Other International Regions
Holtek Semiconductor Inc. 
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7383

Contact International Sales Office