Why Choose Us?
- Quality Guaranty
- 3 years warranty with UL/FCC /ERP etc. approval.
- Innovative
- Ressan is the pioneer of many WiFi & Bluetooth products technologies.
- Professional Service
- With powerful R&D and sales team, quickly response to support your business.
5/F #2 building,xinjianxing Industrial Park,YangGuang industrial Zone,Xili Town,Nanshan District,Shenzhen,China 
info@szressan.com
+ 86 755 8626 7809