| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Metal Cable Tray, Galvanized Hot-Dip Galvanized Bridge Frame, Stainless Steel Cable Tray | 15000K CNY | รองรับ |
| Langfang Gaoxin Metal Products Co., Ltd | 2020-11-12 | Metal Cable Tray, Hot Dip Galvanized Bridge Frame, Stainless Steel Cable Tray | 1000K CNY | รองรับ |
| Yanggu Huatong Automation Equipment Co., Ltd | 2012-06-15 | Metal Cable Tray, Cable Tray, Distribution Cabinet | 100000K CNY | รองรับ |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Metal Cable Tray, Hot Dip Galvanized Bridge Frame, Galvanized Cable Tray | 3000K CNY | รองรับ |
| Shandong Xinming Electrical Equipment Co., Ltd | 2018-12-24 | Metal Cable Tray, National Standard Hot-Dip Galvanized Bridge Frame, Cable Tray | 21000K CNY | รองรับ |
| Shandong Tongyuan Electric Power Equipment Co., Ltd | 2023-11-29 | Metal Cable Tray, Wiring, Cable Tray | 15180K CNY | ไม่รองรับ |
| Wen'an Pengxi Cable Tray Co., Ltd | 2016-03-22 | Metal Cable Tray, Zinc Aluminum Magnesium Bridge Frame, Fire Resistant Bridge Frame | 10500K CNY | รองรับ |
| Hebei Jitong Cable Tray Co., Ltd | 2015-07-28 | Metal Cable Tray, Cable Tray | 21000K CNY | ไม่รองรับ |
| Wuhan Jiehetong Electrical Equipment Co., Ltd | 2021-08-24 | Metal Cable Tray, Cable Trunking Bridge, Galvanized Ladder Bridge | 2000K CNY | รองรับ |
| Langfang Senneng Energy Technology Co., Ltd | 2016-04-29 | Metal Cable Tray, Hot Dip Galvanized Cable Tray, Cable Trough | 20000K CNY | รองรับ |