| Shandong Alto Electrical Equipment Co., Ltd | 2018-02-01 | Zinc Aluminum Magnesium Bridge Frame, Polymer Cable Tray, Double Ladder Edge Large-Span Bridge | 29000K CNY | Compatible |
| Yanggu Huatong Automation Equipment Co., Ltd | 2012-06-15 | Zinc Aluminum Magnesium Bridge Frame, Cable Tray, Distribution Cabinet | 100000K CNY | Compatible |
| Tianjin Jucai Huixin Industry and Trade Co., Ltd | 2024-03-14 | Zinc Aluminum Magnesium Bridge Frame, Photovoltaic Accessories, Membrane Structure Carport | 10000K CNY | Compatible |
| Tianjin Laidi Technology Development Co., Ltd | 2011-12-05 | Zinc Aluminum Magnesium Bridge Frame, Photovoltaic Accessories, Angle Steel | 1000K CNY | Compatible |
| Shandong Wanze Metal Materials Co., Ltd | 2020-12-07 | Zinc Aluminum Magnesium Bridge Frame, Fiberglass Cable Tray, Cable Tray | 28000K CNY | No compatible |
| Shandong Xingrui Electric Power Equipment Co., Ltd | 2022-03-17 | Zinc Aluminum Magnesium Bridge Frame, Hot Dip Galvanized Bridge Frame, Galvanized Cable Tray | 22000K CNY | Compatible |
| Shandong Jiayuan Electrical Equipment Co., Ltd | 2016-06-07 | Zinc Aluminum Magnesium Bridge Frame, Cable Tray, Trapezoidal Welded Steel | 36000K CNY | No compatible |
| Shandong Jiayang Electrical Equipment Co., Ltd | 2018-10-23 | Zinc Aluminum Magnesium Bridge Frame, Fiberglass Cable Tray, Energy Saving Molded Bridge Frame | 51880K CNY | Compatible |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Zinc Aluminum Magnesium Bridge Frame, Hot Dip Galvanized Bridge Frame, Galvanized Cable Tray | 3000K CNY | Compatible |
| Shandong Xinming Electrical Equipment Co., Ltd | 2018-12-24 | Zinc Aluminum Magnesium Bridge Frame, National Standard Hot-Dip Galvanized Bridge Frame, Cable Tray | 21000K CNY | Compatible |