hcqs Located in Shenzhen, China, with years of experience in the field of electronic products, through unrelenting and committed efforts of all staff and the development of the market, our company has successfully established a comprehensive set of production and sales and after-sales service system. We have successfully established independent research and development as the core, OEM ODM as the based, domestic and export sales promote simultaneously to be a complete industry chain guaranteed with technical support and services, backed up by a high level of R & D, production, sales and service team.