T-7 is the name of China's first sounding rocket. The T-7 which was first launch on 13 September 1960 can carry a payload of 25 kg to a height of 58 kilometres. The T-7 has a length of 8 metres, a launch weight of 1138 kg and a diameter of 45 centimetres.
References
T-7 (rocket) Wikipedia(Text) CC BY-SA