ShenZhen Shenzhen Ziguang Trading Co.,Ltd. is established in 2004, located in Shenzhen Guangdong Province of China.Oor factory have 300 hundred people.Our competition products are computer peripherals include mouses keyboard earphone and pc-case, power supply. Especially optical mouses,wireless mouses and keyboard are the competition products.My brother's products are mobile phone batteries, especially NOKIA batteries.If you are insteresting in our products,please contact me without hesitate.