Grantek Industrial (H.K) Limited, is a high-tech enterprise, With own factory, Named Shenzhen Kllenout Navigation Technology Co., Ltd. Integrating developing, manufacturing and selling automobile consumer electronic products. And has many elites in electronics product developing, software developing and after-sales service. If you have any questions or needs about our products, please feel free to contact us at any time. We shall be glad to establish a long-lasting and mutually beneficial business relationship with your esteemed company!