Dongguan HanCheng Electronic Technology Co.,Ltd is one of China's leading suppliers of electronics since 2010. We are located in Dongguan City, A global renowned electronics manufacturing city. We specialize in all things electronic: Smart Watches, Quartz Watches, Headphones; Speakers and other LED items. We are both an OEM (original equipment manufacturer) and an ODM (original design manufacturer.) We can help you with your Branding. Our mission is to help you earn more profits, through increased sales, increased brand recognition and reputation, and/or increased profit margins. Your Idea, Our Performance, Your Product