In June 2018, the project undertaken by Xinglong Technology for the State Grid Sichuan Measurement Center's 2017 first inspection capability construction for built-in metering devices of charging piles - charging pile machine performance testing, charger characteristic tester (AC/DC indoor verification device), and the 2017 construction of DC metering detection system for automobile charging piles - charger characteristic tester (AC/DC portable) successfully completed project acceptance; This project involves multiple self-developed products of Xinglong Technology's charging pile testing series, including XL-A603 AC charging pile comprehensive test device and XL-942 non-vehicle charger on-site characteristic tester, effectively verifying our equipment's comprehensive testing capability in AC/DC charging pile (machine) metering, protocol, interoperability, and other performance aspects; For Xinglong Technology, this project is not only a successful product application, but also the user's trust and affirmation of our company, which will surely inspire us to do a better job in charging pile testing.