On the evening of January 29, a "loud noise" occurred in Songjiang District, Shanghai, which attracted public attention. On January 30, Cover News learned from Blue Arrow Aerospace Company that the noise was caused by a low-temperature static blast test of a commercial aerospace tank. "It was a normal test, and there are no reports of explosions circulating on the Internet," a staff member of the department said.
Blue Arrow Aerospace Company stated that at 19:30 on January 29, the Shanghai Aerospace Precision Machinery Research Institute (800 Institute) carried out a low-temperature static blast test of a commercial aerospace tank at an outdoor low-temperature test station. The tank was damaged normally under a pressure of 0.65MPa. There were no abnormalities in the test control process, and some glass was slightly damaged. "Three of our delivery staff received minor abrasions."
The aerospace tank is a component of the rocket that stores fuel. The low-temperature static blast test of the storage tank is to verify the relevant performance of the storage tank in extreme environments.
Previously, on the evening of January 29, the Songjiang District Emergency Management Bureau stated in an interview with the media that no explosion occurred in Songjiang District; staff of the Songjiang Fire Brigade also told the media that no relevant police incidents occurred in Songjiang District. The official Weibo of the Shanghai Meteorological Bureau also posted, "A friend just asked if there was thunder and lightning, and the answer is, no."