1. GB 15742-2001 Speaker Performance Requirement for Motor Vehicle & Testing Methods

2. QC/T 30-2004 Technical Condition of Motor Vehicle Horn

3. CCC China Conpulsory Certification

4. ECER28-93 European"Sound audible warning devices and equipment audible signal for motor vehicle,uniform conditions for approval of recognization."

5. GB15085-94 Wiper Blade Performance Requirement for Motor Vehicle & Testing Methods

6. ISO9000:2008 Quality Management System Certificate

7. ISO/TS16949:2002 Implementation.

8.Emark11 28R-002337,Emark11 28R-002338

1. Beautifull Voice,well warning
   Even in harsh environment, it can be kept hooting for 1 minute,with loud voice.

2.Long Service Life, Reliable Quality 
  A. High quality sonorant diaphragm;
  B. Thin-film technology with water proof and exhaust;
  C. Unique contact protection process;
  D. Anti-weather interference material;
  E. Superior corrosion resistance

3.Fashionable mini modeling, light and affluent 
  Even in narrow space, it can be installed.

4. Reliable Quality 
   Osun executes ECE Product Standard and specifications of products are designed according to standard of original manufacturer.

1. What is your delievery time?

A:We usually delievery it in 30 days.It deponds on your order QTY.

2. Can you do it in our logo?

A: Yes, please feel free to send us your logo or your idea about designs.But we will have QTY request for horns.MOQ is 5000 sets each.

3.Do you have horn sound file for listening advance?

A:Yes,we have each horn sound file.We could send it for your checking by email or other tool.