TEL: +886 3 6960168
E-mail: sales@ckoptics.com
Office: 5F.,No. 122-8, Jhonghua Rd, Hukou Township, Hsinchu County, 303-52 , Taiwan
Shih-Yun,Chung
TEL: +49 17622676491
E-mail: shihyunchung@ckoptics.com
Office: Lichttoren 32, 5611 BJ,Eindhoven, The Netherlands
Chengming
TEL: +86 185 6576 5730
E-mail: chengmingyu@ckoptics.com