6 major R&D and manufacturing bases
Adhering to the business philosophy of "focusing on high-end, innovation-driven," the Company firmly follows the strategic direction of technology-driven development. Relying on the Company's National Enterprise Technology Center, Henan Provincial Engineering Technology Research Center for UHV Transmission and Transformation Protection Equipment, and UHV/EHV Test Laboratory, it continuously conducts R&D of new products and technologies and achieves results, promoting product iteration and upgrades as well as the extension of the industrial chain.
R&D Center in Xi'an
R&D centers in Zhengzhou
R&D Center in Beijing
R&D Center in Shenzhen
Nanyang Production Base
Neixiang Smart Industry Park
S/N | Standard Name | Standard Category | Leading or Participating in | Year of Implementation | Standard No. |
1 | Guidelines for the Selection and Use of AC Metal Oxide Arrester | National Standard | Participating in | 2024 | GB/T 28547-2023 |
2 | Metal-oxide surge arresters without gaps for a.c. systems | National Standard | Participating in | 2024 | GB/T 22389-2023 |
3 | Technical Guidelines for Control and Protection of High-Voltage Direct Current Circuit Breakers | Industry Standard | Participating in | 2023 | NB/B 11052-2023 |
4 | Polymer-housed Metal Oxide Arrester for AC Transmission Lines | Industry Standard | Participating in | 2022 | DL/T 815-2021 |
5 | Technical Guidelines for 10kV Gantry Transformer Lightning Protection | Industry Standard | Participating in | 2022 | DL/T 2470-2021 |
6 | Guidelines for Selection of Polymer-housed Surge Arrester Used by High-Altitude AC Transmission Lines | Industry Standard | Participating in | 2021 | DL/T 2307-2021 |
7 | Metal-oxide Surge Arresters Without Gaps For A.c. Systems | National Standard | Participating in | 2021 | GB/T 11032-2020 |
8 | Guidelines for Selection of Polymer-housed Metal Oxide Arrester with External Series Gap for DC Transmission Lines | Industry Standard | Participating in | 2021 | DL/T 2109-2020 |
9 | Polymer-housed Metal-Oxide Arresters without Gaps for 1,000kV AC Systems | Industry Standard | Participating in | 2020 | T/CEC 348-2020 |
10 | Metal-Oxide Arresters without Gaps for 25kV Railway AC Systems | Industry Standard | Leading in | 2019 | NB/T 10089-2018 |
11 | Technical Specification for Metal-Oxide Arresters without Gaps for 1,000kV AC Systems | National Standard | Participating in | 2019 | GB/T 24845-2018 |
12 | General Technical Requirements for Nonlinear Metal Oxide Resistor Blocks | Industry Standard | Participating in | 2018 | NB/T 42152-2018 |
13 | On-site Insulation Implementation Guidelines for Arrester Testing | Industry Standard | Participating in | 2018 | DL/T 474.5-2018 |
14 | Metal Oxide Voltage Limiter for Capacitor Bank Protection in Series Compensation Devices | National Standard | Leading in | 2018 | GB/T 34869-2017 |
15 | Guidelines for Selection of Arresters for AC Transmission Lines | Industry Standard | Participating in | 2017 | DL/T 1676-2016 |
16 | Metal Oxide Arrester with External Series Gap for Overhead Transmission and Distribution Lines above 1kV AC (EGLA) | National Standard | Participating in | 2016 | GB/T 32520-2016 |
17 | Metal-Oxide Arresters without Gaps for 3kV and Below DC Systems | Industry Standard | Leading in | 2015 | NB/T 42049—2015 |
18 | Zinc Oxide for Metal Oxide Arrester Resistor discs | Industry Standard | Participating in | 2014 | JB/T 9670-2014 |
19 | Gapless Metal Oxide Lightning Arrester for 1,000kV AC Systems | State Grid Enterprise Standard | Participating in | 2014 | Q/GDW 1307-2014 |
20 | Seismic Design and Shock Absorber Installation and Maintenance Technical Regulations for UHV Porcelain Insulated Electrical Equipment | State Grid Enterprise Standard | Participating in | 2014 | Q/GDW 11132-2013 |
21 | Arrester Product Model Compilation Method | Industry Standard | Participating in | 2012 | JB/T 8459-2011 |
