Deep Blue Aerospace's Nebula-2 5-meter diameter first-stage liquid oxygen tank and kerosene tank have successively completed manufacturing and rolled off the production line, marking the near completion of critical component manufacturing for the main structure of the Nebula-2 rocket body. According to a Beijing News report, the Nebula-2 first-stage tanks that rolled off the line this time are the largest liquid rocket tank products in China's commercial aerospace sector.