| Hebei Qiqiang Composite Materials Co., Ltd | 2023-03-13 | Cable Trough, Fiberglass Bird Proof Cover, Fiberglass Marker Post | 3000K CNY | مدعوم |
| Zaoqiang Haoyang Machinery Manufacturing Co., Ltd | 2020-01-07 | Cable Trough, Fiberglass Ladder Bridge, Fiberglass Bracket | 1000K CNY | مدعوم |
| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Cable Trough, Galvanized Hot-Dip Galvanized Bridge Frame, Stainless Steel Cable Tray | 15000K CNY | مدعوم |
| Hebei Xinda Technology Co., Ltd | 2020-07-06 | Cable Trough, Frp Flat Panel, Resin Cover Plate | 10000K CNY | غير مدعوم |
| Langfang Wanbo Cable Tray Co., Ltd | 2014-03-19 | Cable Trough, Fireproof Spray Bridge, Cable Tray | 10000K CNY | غير مدعوم |
| Shandong Pengda Changye Electrical Equipment Co., Ltd | 2020-05-19 | Cable Trough, Stainless Steel Cable Tray, Hot Dip Galvanized Bridge Frame | 5000K CNY | مدعوم |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Cable Trough, Hot Dip Galvanized Bridge Frame, Galvanized Cable Tray | 3000K CNY | مدعوم |
| Hebei Yicheng Composite Materials Co., Ltd | 2023-11-08 | Cable Trough, Fiberglass Grating, Fiberglass Cable Tray | 3000K CNY | غير مدعوم |
| Shandong Weiteli Electric Co., Ltd | 2019-10-12 | Cable Trough, Hot Dip Galvanized Cable Tray, Stainless Steel Cable Tray | 101600K CNY | مدعوم |
| Hebei Huanrun Fluid Environmental Protection Equipment Co., Ltd | 2025-04-29 | Cable Trough, Cable Trench Cover, Fiberglass Cable Tray | 3000K CNY | غير مدعوم |