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Emark OEM Auto Parts Accessories 12V 24V Aluminum Copper Coil Waterproof Mechanical Electronic Contactles Horn Dual Double Tone Alarm Car Speaker Snail Horn

Emark OEM Auto Parts Accessories 12V 24V Aluminum Copper Coil Waterproof Mechanical Electronic Contactles Horn Dual Double Tone Alarm Car Speaker Snail Horn
1. GB 15742-2001 Speaker Performance Requirement for Motor Vehicle & Testing Methods 2. QC/T 30-2004 Technical Condition...