On the morning of May 5, 2022, at 9:18 am, the polymerization process device button of the Nylon 66 project was activated, and the on-site machine sound was booming. The project commissioning entered the "last kilometer". At around 7 pm, the crystal clear Nylon 66 particles continuously flowed out of the dryer, successfully granulation, marking the successful start-up of Ningxia Ruitai Technology Co., Ltd.'s annual production of 40000 tons of Nylon 66 EPC general contracting project.