Shenzhen Hot King Industrial Co., Ltd. is a ISO certified custom manufacturer of earphone & headphone & speaker & data cable, including gifts earphone & mobile earphone & wireless earphone for a wide of variety of electronics products.We are committed to offer high tech, profession, good quality products to our customers at competitive price.Our factory is located in Shenzhen, which is famous for industrial production. We have already built good business relationships with our customers in the United States, France, Germany, Canada, New Zealand, Italy, Bulgaria, Hungary, Australia, Poland and Switzerland. We are engaged in earphone, headphone, speaker and power banks. We can make products with OEM &ODM etc. Our workers are well-trained and follow ISO standard. Choose us. We will exceed your expectation. So if there is anything we can do or any further information you need, please don't hesitate to contact us.Our Services: OEM &ODM Headphone &earphoneSpeaker & Data cable .