Contact us
Contact Sincere
GUANGZHOU SINCERE INFORMATION TECHNOLOGY LTD.
Tel: +86 20 2986 9551
Mobi/whatsapp:+86 176 6530 9551
Sales: sales@sincerefirst.com
Tech Support: support@sincerefirst.com
Skype：sales@sincerefirst.com 
or 
Address: Sincere Eco-Industrial Park, No.1 XinDa Rd., Economic and Technological Development District, GuangZhou, GuangDong, China
