OEM / ODM process of speaker is strictly in accordance with quality assurance system. We gather an effective working team from different departments, which promptly delivers our clients with high quality products under our integration system-sales, research and development, engineering, purchasing, production, quality control and logistics departments. As an experiencedspeaker manufacturer, we provide one-stop services to our OEM / ODM clients. Besides, we ensure that our products meet all international standards through the ISO test.