External charger TOPBAND actively expand the field of intelligent control applications, and HIT, Qinghua University, cooperation in solar energy, green energy, such as lithium polymer-based, has developed a number of patented portable power supply (external battery), wide application in: cell phones, laptops, DVD, digital cameras, electric cars, medical equipment, mobile video equipment, and other fields.

GPS Digital products based on the company's strong technology and manufacturing platform resources to focus on digital products processing, to provide GPS navigation system, infant care, such as electromagnetic induction lights OEM and ODM services.