Shenzhen Guangrong Information Technology Company is a manufactur in China mainland which following Taiwan Master Enterprise Company(established in 1986). Guangrong is professional in design and manufacturing electronic, computer peripheral products. Before, it produce computer main board, and now we have more products. Such as mini speaker, protable speaker, mouse, card reader, usb hub and so on. Guangrong has the excellent team and good quality concept. Making good reputation and products is our idea and purpose. OEM& ODM is welcomed. Hope expanding market with us.