| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Closed Cable Tray, Large-Scale Equipment, Steel Products | 10000K CNY | Unterstützt |
| Shandong Alto Electrical Equipment Co., Ltd | 2018-02-01 | Closed Cable Tray, Color Steel Bridge Frame, Frp Cable Tray | 29000K CNY | Unterstützt |
| Langfang Wanbo Cable Tray Co., Ltd | 2014-03-19 | Closed Cable Tray, Cable Tray, Fireproof Tray Bridge | 10000K CNY | Nicht unterstützt |
| Yanggu Huatong Automation Equipment Co., Ltd | 2012-06-15 | Closed Cable Tray, Plc Cabinet, Galvanized Cable Tray | 100000K CNY | Unterstützt |
| Shandong Jiayuan Electrical Equipment Co., Ltd | 2016-06-07 | Closed Cable Tray, Aluminum Alloy Cable Tray, Cable Tray | 36000K CNY | Nicht unterstützt |
| Shandong Jiayang Electrical Equipment Co., Ltd | 2018-10-23 | Closed Cable Tray, Polymer Bridge Frame, Fiberglass Cable Tray | 51880K CNY | Unterstützt |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Closed Cable Tray, Hot Dip Galvanized Bridge Frame, Polymer Bridge Frame | 3000K CNY | Unterstützt |
| Shandong Xinming Electrical Equipment Co., Ltd | 2018-12-24 | Closed Cable Tray, Large Span Cable Tray, Cable Tray | 21000K CNY | Unterstützt |
| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Closed Cable Tray, Color Steel Bridge Frame, Self-Locking Bridge Frame | 15000K CNY | Unterstützt |
| Shandong Pengda Changye Electrical Equipment Co., Ltd | 2020-05-19 | Closed Cable Tray, Stainless Steel Cable Tray, Aluminum Alloy | 5000K CNY | Unterstützt |