Check out this China mobile phone called Tian Sheng 998 that support dual SIM card. Yes, without switching off your phone, it allows for you to use 2 different sim cards and you’ll be able to receive calls from the 2 different SIM cards at the same time. This phone runs on GSM 900 / 1800 Mhz and comes with a 2.6 inch transverse screen, 1-megapixel camera, handwriting and keypad input, microSD slot and support MP3 and MP4 playback.

Tian Sheng 998 is available for $161 with 256MB TF memory card include.