24-hour service hotline 400-850-2468
Tel:0755-23055919
E-mail:amy.cao@blkspring.com
Address:No. 5F, building 4, Xunyuan Zhichuang Valley, No. 604, Fengtang Avenue, Fuhai street, Bao\\'an District, ShenzhenSincerity Do not exaggerate or falsely promote our products to customers carefulStrict implementation of the installation process, leaving no security risks patientPatiently explain to the customer how to use basic knowledge and maintenance of the product IntentionMake data records for customers so that they can return to customers at any time to understand the products |