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What services do you provide for pre-sales and after-sales? What is your fault response time?

Update Time:2026/6/9
We provide exclusive one-on-one service. Free lighting design is available before purchase. After-sales services include remote technical support, video debugging, equipment calibration and firmware upgrade. We guarantee fault diagnosis within 48 hours.
Define Tone in Dark
Contact Person
Lumi Deng
Full Name:
Lumi Deng
Tel:

+86 13414288613

Email:
sales1@darktone.com
WhatsApp:
8613414288613
Address:
Room B441, 7/F, No.13-33 Jinshi 3rd Road, Dayuan Sub-district, Baiyun District, Guangzhou City, Guangdong Province, P.R.China