| Hebei Yushang New Materials Co., Ltd | 2024-08-15 | Corrosion Resistant Bridge Frame, Glass Steel Surface Well, Fiberglass Bracket | 6000K CNY | 対応 |
| Shandong Pengda Changye Electrical Equipment Co., Ltd | 2020-05-19 | Corrosion Resistant Bridge Frame, Stainless Steel Cable Tray, Aluminum Alloy | 5000K CNY | 対応 |
| Hebei Youliang New Material Technology Co., Ltd | 2022-05-27 | Corrosion Resistant Bridge Frame, Fiberglass Molded Grating, Polymer Bridge Frame | 51180K CNY | 非対応 |
| Shandong Xinming Electrical Equipment Co., Ltd | 2018-12-24 | Corrosion Resistant Bridge Frame, Large Span Cable Tray, Cable Tray | 21000K CNY | 対応 |
| Wuhan Jiehetong Electrical Equipment Co., Ltd | 2021-08-24 | Corrosion Resistant Bridge Frame, Spray Painted Ladder Bridge, Polymer Bridge Frame | 2000K CNY | 対応 |
| Shandong Honghe Cable Tray Co., Ltd | 2023-05-09 | Corrosion Resistant Bridge Frame, Fireproof Cable Tray, Stainless Steel Cable Tray | 10000K CNY | 非対応 |
| Chengdu Interstellar Electrical Equipment Co., Ltd | 2013-04-07 | Corrosion Resistant Bridge Frame, Hot Dip Galvanized Bridge Frame, Hot Dip Galvanized Trapezoidal Bridge Frame | 10000K CNY | 非対応 |
| Hebei Zhehang Electrical Equipment Co., Ltd | 2017-10-11 | Corrosion Resistant Bridge Frame, Cable Tray, High And Light Energy-Saving Bridge Frame | 10800K CNY | 対応 |
| Langfang Gaoxin Metal Products Co., Ltd | 2020-11-12 | Corrosion Resistant Bridge Frame, Stainless Steel Cable Tray, Ladder-Type Cable Tray | 1000K CNY | 対応 |
| Zaoqiang Haoyang Machinery Manufacturing Co., Ltd | 2020-01-07 | Corrosion Resistant Bridge Frame, Fiberglass Ladder Bridge, Zinc Aluminum Magnesium Maintenance Channel Board | 1000K CNY | 対応 |