| Yanggu Huatong Automation Equipment Co., Ltd | 2012-06-15 | Porous Bridge Frame, Plc Cabinet, Galvanized Cable Tray | 100000K CNY | Didukung |
| Shandong Alto Electrical Equipment Co., Ltd | 2018-02-01 | Porous Bridge Frame, Color Steel Bridge Frame, Frp Cable Tray | 29000K CNY | Didukung |
| Tianjin Ruili Rongda Steel Structure Co., Ltd | 2020-12-08 | Porous Bridge Frame, , Operation And Maintenance Channel | 15000K CNY | Didukung |
| Sichuan Saichuang Electrical Equipment Co., Ltd | 2017-09-25 | Porous Bridge Frame, Spray Molded Bridge Frame, Fiberglass Cable Tray | 10000K CNY | Didukung |
| Langfang Gaoxin Metal Products Co., Ltd | 2020-11-12 | Porous Bridge Frame, Stainless Steel Cable Tray, Ladder-Type Cable Tray | 1000K CNY | Didukung |
| Shandong Pengda Changye Electrical Equipment Co., Ltd | 2020-05-19 | Porous Bridge Frame, Stainless Steel Cable Tray, Aluminum Alloy | 5000K CNY | Didukung |
| Chengdu Juchuang Electrical Equipment Co., Ltd | 2016-06-21 | Porous Bridge Frame, Spray Painted Bridge Frame, Conduit | 10000K CNY | Didukung |
| Guangzhou Longji Power Transmission and Distribution Equipment Co., Ltd | 2007-02-17 | Porous Bridge Frame, Hot Dip Galvanized Bridge Frame, Distribution Cabinet | 60800K CNY | Didukung |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Porous Bridge Frame, Hot Dip Galvanized Bridge Frame, Polymer Bridge Frame | 3000K CNY | Didukung |
| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Porous Bridge Frame, Color Steel Bridge Frame, Self-Locking Bridge Frame | 15000K CNY | Didukung |