China launched its Centispace-1-s1 satellite on a Kuaizhou-1A rocket from Jiuquan Satellite Launch Center in northwest China at 12:13 p.m. Saturday. 本周六下午12點13分，中國在酒泉衛星發射中心用快舟一號甲固體運載火箭成功發射微厘空間一號試驗衛星。 This is the second commercial launch by the Kuaizhou-1A rocket. The first launch in January 2017 sent three satellites into space. The Kuaizhou-1A was developed by a rocket technology company under the China Aerospace1 Science and Industry Corporation (CASIC). It is a low-cost solid-fuel carrier rocket with high reliability2 and a short preparation period, designed to launch low-orbit satellites weighing under 300 kg. The Centispace-1-s1 was developed by Innovation Academy for Microsatellites of the Chinese Academy of Sciences. It is a technology experiment satellite for the low-orbit navigation enhancement system being developed by Beijing Future Navigation Technology Co. Ltd.