Telephone:

+86 510 8531 0012

For Sales and Cooperation:

Sonoeye@chison.com.cn

For Service:

Service@chison.com.cn

For Sales:

+1 425-590-9852

For Service:

+1 425-454-2421

Telephone:

+49 211 43791720

Mobile:

+49 1629337702

+49 17630426128