Feel Free To Contact Us

Beijing Dacheng Yongsheng Technology Co., Ltd.

Room 316, Building 2, No. 28, Zhenxing Road, Changping District, Beijing, China

Skype: chenshaoyang

Email：[email protected]

If You Use Whatsapp, Contact Directly

 

After Sales Service

DCYS records every sensor sold, and provides initial information query service.

At the same time, we can provide recalibration service for your long-term use products.

For your problems, We also provide timely Email/Whatsapp/Skype/Forum service.