Manager International Sales Dept

Tel:+86-10-61597788-2105

Fax:+86-10-61598065

E-mail:sales@swt-oc.com

 

General Engineer (Modulator)

Tel:+86-10-61597788-2000

Fax:+86-10-61598065

E-mail:supports@swt-oc.com

 

General Enginee （Photodiode＆LD）

Tel:+86-10-61597788-2010

Fax:+86-10-61598065

E-mail:liutiequan@swt-oc.com