At 6:00 on November 26, 2022, Yanchang Petroleum 220kV substation (Taixing Project Yanchang Substation) achieved a successful power supply. This substation is the first 220kV substation built by Yanchang Petroleum Group. Through the best technical solution bidding, our company's GIS switch equipment is adopted. This project has a tight schedule, heavy tasks and high standards. In order to ensure the schedule, all departments of the company have unified their thinking and worked together to focus on the entire process of design, commissioning, assembly, testing, installation, commissioning and power transmission, and jointly help Yanchang Petroleum's first 220kV substation to successfully receive power. Tai'an Taishan High Voltage Switch Co., Ltd. will always provide customers with high-quality products and services!