
OEM 4 Inches Concentric Coaxial Car Speakers Paper Cone Car Audio. OEM/ODM Services: Flexible customization available from samples, designs, or full customization. ISO9001:2000 Certified: Manufacturing process certified for quality management standards. Low MOQ Requirement: No minimum order quantity restrictions for sample testing orders. High Quality Control: 100% visual and function inspection with a failure rate of only 1 per mille. Fast Lead Time: Short production lead times available during both peak and off-peak seasons. 1 Year Warranty: Comprehensive warranty coverage provided for all speaker products. Global Export Experience: Over 10 years of export experience serving markets in the US, Europe, and South America. Professional R&D Team: Dedicated engineers and designers available to meet specific audio requirements.