1. The 2021 State Grid Zhejiang Electric Power Co., Ltd. led the organization of the "2021 State Grid Corporation of China 2021 Distribution Network Lightning Arrester Agreement Inventory Bidding Joint Qualification Pre review" project, which received the notification of qualified AC lightning arresters;
2. The 2021 State Grid Henan Electric Power Co., Ltd. led the organization of the "2021 State Grid Corporation of China 2021 High Voltage Fuses Agreement Inventory Bidding Joint Qualification Pre examination" project, which received the qualification notice for high-voltage fuses (drop type -100A) and high-voltage fuses (drop type -200A);
3. The 2021 State Grid Jiangxi Electric Power Co., Ltd. led the organization of the "2021 State Grid Corporation of China 2021 Composite Insulator Agreement Inventory Bidding Joint Qualification Pre examination" project, which received the qualification notice for AC rod suspension composite insulators and line column composite insulators.
The qualified notice was issued in December 2021 and is valid until December 31, 2022.


