Recently, the four-color offset printing machine produced by Qingdao Solna Electric was installed in a customer factory in Uzbekistan and passed the customer acceptance. Due to the foreign epidemic, our company did not send technicians to the site for installation but through a remote auxiliary maintenance system Guide overseas local agents in real time to complete the entire installation work and deliver them to customers smoothly. This is the first time that an overseas agent has completed the installation work of the Solna printing press. Through this installation, Solna has explored a new overseas after-sales service model for Solna Expanding overseas sales channels provides more possibilities.