| Langfang Wanbo Cable Tray Co., Ltd | 2014-03-19 | Trough Cable Tray, Fireproof Spray Bridge, Cable Tray | 10000K CNY | Não compatível |
| Hebei Xinda Technology Co., Ltd | 2020-07-06 | Trough Cable Tray, Frp Flat Panel, Resin Cover Plate | 10000K CNY | Não compatível |
| Zaoqiang County Jinwo Environmental Protection Equipment Sales Factory (Individual Industrial and Commercial Household) | 2025-04-10 | Trough Cable Tray, Corrugated Septic Tank, Cable Trench Cover | - | Não compatível |
| Guangdong Xingyifang Power Equipment Co., Ltd | 2017-06-01 | Trough Cable Tray, Spray Painted Bridge Frame, Stainless Steel Cable Tray | 5010K CNY | Não compatível |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Trough Cable Tray, Hot Dip Galvanized Bridge Frame, Galvanized Cable Tray | 3000K CNY | Compatível |
| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Trough Cable Tray, Galvanized Hot-Dip Galvanized Bridge Frame, Stainless Steel Cable Tray | 15000K CNY | Compatível |
| Sichuan Saichuang Electrical Equipment Co., Ltd | 2017-09-25 | Trough Cable Tray, Hot Dip Galvanized Bridge Frame, Fiberglass Cable Tray | 10000K CNY | Compatível |
| Hebei Runsheng Composite Materials Co., Ltd | 2020-06-04 | Trough Cable Tray, Glass Steel Cooling Tower, Fiberglass Tube Box | 3000K CNY | Não compatível |
| Zaoqiang Haoyang Machinery Manufacturing Co., Ltd | 2020-01-07 | Trough Cable Tray, Fiberglass Ladder Bridge, Fiberglass Bracket | 1000K CNY | Compatível |
| Hebei Yicheng Composite Materials Co., Ltd | 2023-11-08 | Trough Cable Tray, Fiberglass Grating, Fiberglass Cable Tray | 3000K CNY | Não compatível |