Quick contact information
Jeremy Zhao
Tel: 86-021-39126868 ext 824
Fax: 86-021-39126868 ext 808/818
Skype: jeremynanhua
Website: en.nanhua.com
Email: sales@nanhua.com
Our Services
Service & Support
Nanhua customer service aims to provide our customers with accessible, efficient and satisfactory technical support and service.
Quality enhancement: reducing the service requirements after sales.
Efficient service: Guaranteeing specialized, reliable, prompt and efficient customer service.
Consulting service: Responding to inquiries about products and services, handling repairs, and resolving complaints about customer service.
Admissibility of complaints: Solving problems or proposing solutions within 24 hours.
We are providing the following services:
Default tone setup and specified tone writing (standard safety tone, music, voice)
Voltage customization (DC12V,DC24V,AC110V,AC220V,AC380V)
Color customization (lamp, lampshade and housing)
Flash warning light frequency setup
Special voltage customization(DC12V~DC220V,AC24V~AC3000V)
Volume adjustment
Control mode modification
Wattage adjustment
IP protection enhancement
Performance enhancement in high and low temperature
Anti-electromagnetic interference enhancement
Operating distance extension
Accessories customization
Functional circuit addition (Photoelectricity control, redundancy switch)
After-sale policy
Dear users, thank you for selecting products from Shanghai Nanhua Electronics Company.
All Nanhua product users will enjoy services of free repair within one year after the purchase date and lifetime maintenance after sales.
Customization Service
We believe that the more accessible our products are, the less they will cost our customers. For instance, our customers can employ available supply voltage, configure factory tones, employ standard socket interface, and so on.