Sun Tech Holdings Limited have been manufacturing audience items since 1992 when we established our factory in Shenzhen, China. Having enjoy reputation from our buyers on quality of our products and OEM projects. With currently 100 well trained workers and engineers to work with recognized IS0 9001:2000 and ISO 14001:2004 that we continuously to work out the top quality products punctually.In 2014,we become a MFi Licensee successfully.