SHENZHEN HAIFEI ZHIXIAN CO., LTD. is a subsidiary of SHENZHEN HIFAY OPTOELECTORNICS DEVELOPMENT CO., LTD. which provides professional integrated pre-sales, in-sales and after-sales services for customers based on the strong production, manufacturing, R&D and quality control system of the head office. We are a national high-tech enterprise integrating R&D, design, production and sales. Main service industries: handheld terminals, high-end cell phones, smart homes, IoT devices, health care, artifi