Chong Han Shenzhen Science & Technology Development Limited Company specialize the design, manufacture and marketing of the wireless M2M device.

It established in 2010, which specializs in R&D activities, focuses on production of wireless data transmit device and wireless integration. Having enough experience in marketing development and project management, providing all kinds of solutions for customers in 2.5G/3G field and wireless video field. We possesses a professional team.